OCKEGHEM, JOHANNES	Francia	h. 1410	06-02-1497
OFFENBACH, JACQUES	Francia	20-06-1819	05-10-1880
ONSLOW, ANDRE GEORGES LOUIS	Francia	27-07-1784	03-10-1853
ORFF, CARL	Alemania	10-07-1895	29-03-1982