Ulla Krigul organ
Indrek Vau trumpet
Lauri Metsvahi percussion
Leho Karin cello
Spectrum I for organ (1989)
Spectrum II for trumpet, percussion & organ (1994)
Spectrum III for organ (1999)
Spectrum IV for cello & organ (2004)
Recorded in October 2017 in St. Paul's Church, Tartu, Estonia
© Estonian Music Information Center 2019 EMIC CD024
https://www.emic.ee/?sisu=tootekataloog2&mid=72&kat=41&id=2139&lang=eng&kataloog=1
Review:
http://5against4.com/2019/10/18/four-aspects-of-erkki-sven-tuur-spectrums/