DVD Ole mu palve Siiri Sisask and Revalia Chamber Male Choir CD 11 (2009) NEW pianomusic + songs Teine jälg (2006) in cooperation with Kristjan Randalu Band(jazz-ethno). Lyrics: Siiri Sisask, Peeter Volkonski Music: Siiri Sisask Arrangement: Kristjan Randalu www.kristjanrandalu.com Kuu lõhn (2005) In cooperation with Oleg Pissarenko's band. We've Been a While (2003) (jazz) Ürg ja jõud (2003) (ethno-pop) Laulud hingest (2003) in cooperation with conductor Hirvo Surva, Revalia Chamber Male Choir, Oleg Pissarenko's Trio, Erso string quartet (classic-pop) Jälg (2002) in cooperation with Kristjan Randalu's Trio (ethno-jazz). Lyrics: Siiri Sisask, Peeter Volkonski Music: Siiri Sisask Arrangement: Kristjan Randalu Mis maa see on (1998) in cooperation with Ultima Thule" (rock-blues) songs from the "Mahtra sõda" production, lyrics: Peeter Volkonski, music: Siiri Sisask, arrangement: Urmas Lattikas, Siiri Sisask, Ultima Thule First Acoustic Graffity (1996) in cooperation with Boris Björn Bagger (crossover project, pop-jazz-classic) BOOKS Head ööd, maga hästi (2002) Text: Siiri ja Jost Sisask Illustrations: Siiri Sisask