Andrey participated in recording of the albums for such music groups like Kino, Alisa, Nautilus Pompilius, and also projects for solo by Sergey Kuryokhin and Boris Grebenshchikov.
Andrey made his debut as a film music composer after the shooting of Klesh (The Tick) (1990), produced by Alexander Baranov and Bakhit Kalibaev.
Among his works are: Sensation by Boris Gorlov, Koleso lubvi (The Wheel of Love) by Ernest Yasan, Poslednee delo Varenogo (The last affair by Vareniy) by Vitaly Melnikov, Prohindiada-2 by Alexander Kaliagin, Russkaya Simfonia (Russian Symphony) by Konstantin Lopushansky, Chetirnadtsat tsvetov radugi (The Fourteen Colors of Rainbow) by Dmitry Svetozarov.
Siegle became the composer of a popular Russian serial named Ulitsi razbitih fonarey (Streets of Broken Lights).
The new turn was marked with the projects Faust, Telets (Taurus), Otets i syn (Father and Son), Solntse (The Sun) where he worked together with Alexander Sokurov, Russian director.
Siegle was also awarded a prestigious prize for "Best music" in the Udalyonnyy dostup (The Remote Access), a feature film by Svetlana Proskurina, at Kinotavr cinema festival in Sochi.