Ohlone Chamber Singers - http://www.chambersingers.org/
A 46 voice choir performing a wide range of music repertoire, from Renaissance through significant 20th century works. California. |
Orlando Chamber Choir - http://www.orlandochoir.org.uk
35-40 voices baroque choir from London, England. |
Orlando Singers - http://www.orlandosingers.org.uk/
A chamber choir of twenty or so voices, based in Cambridge, England. The choir's repertoire has ranged from the 15th century to contemporary works. |
Orlando Singers - http://ebasic.easily.co.uk/03202E/02701B/
One of Southern England's most exciting and ambitious chamber choirs. From Dorset. |
Orpheus Chamber Singers - http://www.orpheuschambersingers.org/
A professional 24-voice choir specializing in the performance of choral music of the last five centuries. |