O crux. Chormusik zur Passions- und Osterzeit aus fünf Jahrhunderten. Five centuries of choral music for Holy Week and…

A chamber choir is a small, highly flexible choral ensemble—typically 12 to 40 voices—designed for intimate spaces and precision ensemble singing. The balance is often "one to a part" or light divisi within the SATB (soprano–alto–tenor–bass) framework, enabling remarkable clarity, blend, and contrapuntal transparency. Repertoire spans Renaissance polyphony and Baroque motets through Romantic part-songs and contemporary choral works. Performances are frequently a cappella, though chamber choirs also collaborate with organ, piano, period ensembles, or small chamber orchestras. Hallmarks include refined intonation (often favoring pure intervals), detailed text declamation, wide dynamic control, and a strong focus on timbral blend and diction.