Henrik Ødegaard

28 July 1955
Oslo, Norway

Eugene O'Brien

24 April 1945
Paterson, New Jersey, USA

Turlough O'Carolan

1670
County Meath, Ireland

25 March 1738
Ballyfarnon, County Roscommon, Ireland

Mark O'Connor

5 August 1961
Seattle, USA

Charles Oberthür

4 March 1819
Munich, Germany

8 November 1895
London, England

Aleksandar Obradović

22 August 1927
Bled, Serbia

1 April 2001
Belgrade, Serbia

Jakob Obrecht

1457 or 1458
Ghent

circa 1 August 1505
Ferrara

Michael Obst

1955
Frankfurt am Main, Germany

Nicolas Obuchov

22 April 1892
Moscow [Москва], Russia

13 June 1954
Paris, France

Siegfried Ochs

19 April 1858
Frankfurt am Main, Germany

6 February 1929
Berlin, Germany

Johannes Ockeghem

between 1410 and 1430
Saint-Ghislain, Hainaut

6 February 1497
Tours, France

Helmut Ockenfels

1937

1999

Ricardo Odriozola

28 September 1965
Bilbao, Spain

Andreas Johann Lorenz Oechsner

14 January 1815
Mainz, Germany

19 December 1886
Le Havre, France

Helmut Oehring

16 July 1961
Berlin, Germany

Max Otto Oesten

20 November 1843

12 December 1917

Carl Oestreich

18 April 1800
Spremberg, Germany

7 March 1840
Frankfurt am Main, Germany

Christian Ofenbauer

24 March 1961
Graz, Austria

Jacques Offenbach

20 June 1819
Cologne, Germany

5 October 1880
Paris, France

Claus Ogerman

29 April 1930
Racibórz, Upper Silesia

8 March 2016
Munich, Germany