Via a Romanian blog I came across via Academia.edu, I discovered another source of online music: Trilulilu.
Here are some pieces by Romania’s best-known composer, George Enescu:
Romanian Rhapsody No.1
http://embed.trilulilu.ro/audio/hrista19aida/2a2dbbe14f7ce0.swf
Romanian Rhapsody No.2
http://embed.trilulilu.ro/audio/hrista19aida/40b37070a5bb88.swf
Poema Romana
http://embed.trilulilu.ro/audio/daryus30/4edc4e90d0e126.swf
Ballade for Violin
http://embed.trilulilu.ro/audio/oceanflower1/f6fd820b117e27.swf
Asculta mai multe audio Muzica
Unfortunately details about the performers are often not provided.