Brigitta Svenden Song List

Elektra, Op. 58, TrV 223: Elektra! Schweig Und Tanze! (Chrysothemis, Elektra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Felicity Palmer, Susanne Resmark, Karen Foster, Twyla Robinson, Irmgard Vilsmaier, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Anne Schwanewilms, West German Radio Chorus, Franz Grundheber, Graham Clark, West German Radio Symphony Orchestra, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Tanz Deborah Polaski, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Graham Clark, Anne Schwanewilms, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Margarita de Arellano, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Ob Ich Nicht Hore? (Elektra, Chrysothemis) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Susanne Resmark, Margarita de Arellano, Semyon Bychkov, Karen Foster, Twyla Robinson, Irmgard Vilsmaier, Lars Woldt, Christiane Hossfeld, Anne Schwanewilms, West German Radio Chorus, Franz Grundheber, Graham Clark, Felicity Palmer, West German Radio Symphony Orchestra, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Elektra, Schwester! (Chrysothemis) Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, West German Radio Chorus, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Graham Clark, Anne Schwanewilms, Felicity Palmer, Christiane Hossfeld, Irmgard Vilsmaier, Viola Zimmermann, Arnold Bezuyen, Lars Woldt, Margarita de Arellano, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: He, Lichter (Aegisth) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Susanne Resmark, Felicity Palmer, Irmgard Vilsmaier, Karen Foster, Twyla Robinson, Margarita de Arellano, Lars Woldt, West German Radio Chorus, Christiane Hossfeld, Anne Schwanewilms, Franz Grundheber, Graham Clark, West German Radio Symphony Orchestra, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Es Muss Etwas Geschehen Sein (Chrysothemis, Magde) Graham Clark, Alfred Walker, Deborah Polaski, West German Radio Chorus, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Arnold Bezuyen, Lars Woldt, Margarita de Arellano, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Ich Habe Ihm Das Beil Nicht Geben Konnen! (Elektra) Brigitta Svenden, Irmgard Vilsmaier, Viola Zimmermann, Karen Foster, Arnold Bezuyen, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Anne Schwanewilms, Graham Clark, Susanne Resmark, Twyla Robinson, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Seid Ihr Von Sinnen (Der Pfleger) Deborah Polaski, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Graham Clark, Anne Schwanewilms, Felicity Palmer, Christiane Hossfeld, Irmgard Vilsmaier, Margarita de Arellano, Viola Zimmermann, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Verstehst Du's, Bruder? (Elektra, Orest) Brigitta Svenden, Irmgard Vilsmaier, Karen Foster, Arnold Bezuyen, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Viola Zimmermann, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Anne Schwanewilms, Graham Clark, Susanne Resmark, Twyla Robinson, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Nein, Du Sollst Mich Nicht Umarmen! (Elektra) Alfred Walker, Deborah Polaski, West German Radio Chorus, Graham Clark, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, West German Radio Symphony Orchestra, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Lars Woldt, Irmgard Vilsmaier, Karen Foster, Margarita de Arellano, Brigitta Svenden & Arnold Bezuyen

Elektra, Op. 58, TrV 223: O Lass Deine Augen Mich Sehn (Elektra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Felicity Palmer, Irmgard Vilsmaier, Karen Foster, Twyla Robinson, Lars Woldt, Margarita de Arellano, Christiane Hossfeld, West German Radio Chorus, Franz Grundheber, Graham Clark, West German Radio Symphony Orchestra, Anne Schwanewilms, Susanne Resmark, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Orest! (Elektra) Franz Grundheber, Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, West German Radio Chorus, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Graham Clark, Anne Schwanewilms, Margarita de Arellano, Felicity Palmer, Christiane Hossfeld, Irmgard Vilsmaier, Viola Zimmermann, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Wer Bist Denn Du? (Orest, Elektra) Irmgard Vilsmaier, Brigitta Svenden, Arnold Bezuyen, Karen Foster, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Viola Zimmermann, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Anne Schwanewilms, Graham Clark, Susanne Resmark, Semyon Bychkov, Twyla Robinson, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Was Willst Du, Fremder Mensch? (Elektra) Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, West German Radio Chorus, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Felicity Palmer, Christiane Hossfeld, Margarita de Arellano, Irmgard Vilsmaier, Viola Zimmermann, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Nun Denn Allein! (Elektra) Brigitta Svenden, Viola Zimmermann, Arnold Bezuyen, Susanne Resmark, Felicity Palmer, Irmgard Vilsmaier, Karen Foster, Margarita de Arellano, Twyla Robinson, Lars Woldt, West German Radio Chorus, Anne Schwanewilms, Christiane Hossfeld, Graham Clark, Franz Grundheber, West German Radio Symphony Orchestra, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Von Jetzt an Will Ich Deine Schwester Sein (Elektra) Alfred Walker, West German Radio Chorus, Deborah Polaski, West German Radio Symphony Orchestra, Franz Grundheber, Felicity Palmer, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Margarita de Arellano, Lars Woldt, Karen Foster, Arnold Bezuyen & Brigitta Svenden

Elektra, Op. 58, TrV 223: Wie Stark Du Bist (Elektra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Irmgard Vilsmaier, Felicity Palmer, Lars Woldt, Karen Foster, Twyla Robinson, Margarita de Arellano, Christiane Hossfeld, West German Radio Chorus, Franz Grundheber, West German Radio Symphony Orchestra, Graham Clark, Anne Schwanewilms, Susanne Resmark, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Nun Muss Es Hier Von Us Geschehen (Elektra, Chrysothemis) Deborah Polaski, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Felicity Palmer, Christiane Hossfeld, Irmgard Vilsmaier, Margarita de Arellano, Viola Zimmermann, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Platz Da! (Junger Und Alter Diener) Irmgard Vilsmaier, Brigitta Svenden, Arnold Bezuyen, Karen Foster, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Viola Zimmermann, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Graham Clark, Anne Schwanewilms, Susanne Resmark, Twyla Robinson, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Orest Ist Tot (Chrysothemis) West German Radio Chorus, Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, Felicity Palmer, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Christiane Hossfeld, Viola Zimmermann, Margarita de Arellano, Lars Woldt, Karen Foster, Irmgard Vilsmaier, Arnold Bezuyen & Brigitta Svenden

Elektra, Op. 58, TrV 223: Lichter (Klytamnestra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Karen Foster, Irmgard Vilsmaier, Felicity Palmer, Lars Woldt, Twyla Robinson, Margarita de Arellano, Christiane Hossfeld, West German Radio Chorus, Alfred Walker, Graham Clark, West German Radio Symphony Orchestra, Anne Schwanewilms, Susanne Resmark, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Was Bluten Muss (Elektra) Deborah Polaski, West German Radio Chorus, Alfred Walker, Susanne Resmark, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Anne Schwanewilms, Graham Clark, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Margarita de Arellano, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Lasst Du Den Bruder Nicht Nach Hause? (Elektra, Klytamnestra) Irmgard Vilsmaier, Brigitta Svenden, Arnold Bezuyen, Karen Foster, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Viola Zimmermann, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Graham Clark, Anne Schwanewilms, Susanne Resmark, Semyon Bychkov, Twyla Robinson, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Ein Jeder (Elektra, Klytamnestra) Graham Clark, Deborah Polaski, Alfred Walker, West German Radio Chorus, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, West German Radio Symphony Orchestra, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Arnold Bezuyen, Lars Woldt, Margarita de Arellano, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Ich Habe Keine Guten Nachte (Klytamnestra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Irmgard Vilsmaier, Felicity Palmer, Karen Foster, Twyla Robinson, Lars Woldt, Margarita de Arellano, Christiane Hossfeld, West German Radio Chorus, Franz Grundheber, West German Radio Symphony Orchestra, Anne Schwanewilms, Graham Clark, Susanne Resmark, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Ich Will Hinunter (Klytamnestra) Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, West German Radio Chorus, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Margarita de Arellano, Graham Clark, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Arnold Bezuyen, Lars Woldt, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Was Willst Du? Seht Doch, Dort! (Klytamnestra) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Felicity Palmer, Irmgard Vilsmaier, Susanne Resmark, Karen Foster, Lars Woldt, Margarita de Arellano, Twyla Robinson, West German Radio Chorus, Christiane Hossfeld, Anne Schwanewilms, Franz Grundheber, Graham Clark, West German Radio Symphony Orchestra, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Entr'acte West German Radio Chorus, Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Margarita de Arellano, Irmgard Vilsmaier, Lars Woldt, Arnold Bezuyen, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Was Heulst Du (Elektra) Brigitta Svenden, Viola Zimmermann, Arnold Bezuyen, Susanne Resmark, Margarita de Arellano, Semyon Bychkov, Karen Foster, Twyla Robinson, Irmgard Vilsmaier, Lars Woldt, Christiane Hossfeld, West German Radio Chorus, Graham Clark, Franz Grundheber, Felicity Palmer, Anne Schwanewilms, West German Radio Symphony Orchestra, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Immer Sitzen Wir Auf Der Stange (Chrysothemis) West German Radio Chorus, Deborah Polaski, Alfred Walker, Susanne Resmark, West German Radio Symphony Orchestra, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Anne Schwanewilms, Graham Clark, Felicity Palmer, Christiane Hossfeld, Irmgard Vilsmaier, Margarita de Arellano, Viola Zimmermann, Lars Woldt, Arnold Bezuyen, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Ich Hab's Wie Feuer In Der Brust (Chrysothemis) Irmgard Vilsmaier, Brigitta Svenden, Karen Foster, Arnold Bezuyen, Felicity Palmer, Margarita de Arellano, Lars Woldt, Viola Zimmermann, Christiane Hossfeld, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Graham Clark, Anne Schwanewilms, Susanne Resmark, Twyla Robinson, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Elektra! (Chrysothemis) Alfred Walker, West German Radio Chorus, Deborah Polaski, West German Radio Symphony Orchestra, Franz Grundheber, Felicity Palmer, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Graham Clark, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Margarita de Arellano, Lars Woldt, Arnold Bezuyen, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Agamemnon (Elektra) Irmgard Vilsmaier, Brigitta Svenden, Arnold Bezuyen, Karen Foster, Felicity Palmer, Margarita de Arellano, Lars Woldt, Christiane Hossfeld, Viola Zimmermann, West German Radio Chorus, Alfred Walker, West German Radio Symphony Orchestra, Graham Clark, Anne Schwanewilms, Susanne Resmark, Twyla Robinson, Semyon Bychkov, Franz Grundheber & Deborah Polaski

Elektra, Op. 58, TrV 223: Allein (Elektra) Graham Clark, Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, West German Radio Chorus, Franz Grundheber, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Anne Schwanewilms, Felicity Palmer, Christiane Hossfeld, Viola Zimmermann, Irmgard Vilsmaier, Arnold Bezuyen, Lars Woldt, Margarita de Arellano, Karen Foster & Brigitta Svenden

Elektra, Op. 58, TrV 223: Ich Will Vor Ihr Mich Niederwerfen (Magde, Aufseherin) Viola Zimmermann, Brigitta Svenden, Arnold Bezuyen, Felicity Palmer, Irmgard Vilsmaier, Lars Woldt, Karen Foster, Twyla Robinson, Margarita de Arellano, Christiane Hossfeld, West German Radio Chorus, Anne Schwanewilms, Franz Grundheber, Graham Clark, West German Radio Symphony Orchestra, Susanne Resmark, Semyon Bychkov, Deborah Polaski & Alfred Walker

Elektra, Op. 58, TrV 223: Wo Bleibt Elektra? (Magde) West German Radio Chorus, Deborah Polaski, Alfred Walker, West German Radio Symphony Orchestra, Franz Grundheber, Felicity Palmer, Semyon Bychkov, Twyla Robinson, Susanne Resmark, Graham Clark, Anne Schwanewilms, Christiane Hossfeld, Viola Zimmermann, Margarita de Arellano, Lars Woldt, Irmgard Vilsmaier, Karen Foster, Arnold Bezuyen & Brigitta Svenden

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Credo. Resurrectio Animarum Leif Segerstam, Esaias Tewolde-Berhan, Brigitta Svenden, Swedish Radio Choir, Swedish Radio Symphony Orchestra, Mikael Samuelson, Marianne Mellnäs, Stockholm Chamber Choir, Children's Choir & June Carlsson

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Agnus Dei. De Profundis Marianne Mellnäs, Swedish Radio Choir, Children's Choir, June Carlsson, Stockholm Chamber Choir, Leif Segerstam, Swedish Radio Symphony Orchestra, Mikael Samuelson, Brigitta Svenden & Esaias Tewolde-Berhan

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Communio Marianne Mellnäs, Swedish Radio Choir, Leif Segerstam, June Carlsson, Stockholm Chamber Choir, Esaias Tewolde-Berhan, Mikael Samuelson, Children's Choir, Brigitta Svenden & Swedish Radio Symphony Orchestra

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Libera me Children's Choir, Marianne Mellnäs, June Carlsson, Stockholm Chamber Choir, Brigitta Svenden, Swedish Radio Choir, Leif Segerstam, Swedish Radio Symphony Orchestra, Mikael Samuelson & Esaias Tewolde-Berhan

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Offertorium Mikael Samuelson, Leif Segerstam, Esaias Tewolde-Berhan, Swedish Radio Symphony Orchestra, Marianne Mellnäs, Stockholm Chamber Choir, Brigitta Svenden, Swedish Radio Choir, Children's Choir & June Carlsson

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Dies irae Brigitta Svenden, Esaias Tewolde-Berhan, Mikael Samuelson, Stockholm Chamber Choir, Leif Segerstam, Swedish Radio Symphony Orchestra, Marianne Mellnäs, Swedish Radio Choir, Children's Choir & June Carlsson

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Introitus Children's Choir, Brigitta Svenden, Swedish Radio Choir, Leif Segerstam, Swedish Radio Symphony Orchestra, Mikael Samuelson, Marianne Mellnäs, June Carlsson, Esaias Tewolde-Berhan & Stockholm Chamber Choir

Requiem, "De ur alla minnen fallna" (Mute the Bereaved Memories Speak): Prolog Children's Choir, Swedish Radio Symphony Orchestra, Brigitta Svenden, Mikael Samuelson, June Carlsson, Stockholm Chamber Choir, Marianne Mellnäs, Swedish Radio Choir, Leif Segerstam & Esaias Tewolde-Berhan

Herrans bön, Op. 15: Din är makten, äran, härligheten Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Oss från den onda fräls - Ty kärlekens och ljusets gudaspira Du evigt sträcker Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Mät bördan efter våra svaga skuldror Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Förlåt oss, Herre, såsom vi förlåta Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Allgode Gud Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Då skall ej längre blott en maktlös suck Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: Må jorden, länge höljd av brott Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist

Herrans bön, Op. 15: O Du, som fjärran över molnens rymder Rolf Leanderson, Iwa Sorenson, Brigitta Svenden, Christer Solén, Stockholm Motet Choir, Storkyrkans Kor, Norrköpings Symfoniorkester & Gustaf Sjokvist