Well, it's been a couple years, but
Musopen's Kickstarter has been completed. Congratulations to Aaron Dun for a successful project, and thanks to him for all the work it took!
The announcement is here:
http://www.kickstarter.com/projects/Musopen/record-and-release-free-music-without-copyrights/posts/288525.
You can find all the music at Musopen, of course, or at the Internet Archive (which has torrents available):
http://archive.org/details/musopen-dvd
A list of all the music released:
Beethoven - Coriolan Overture
Beethoven - Egmont Overture Op. 84
Beethoven - Symphony No 3 Eroica
Borodin - In The Steppes Of Central Asia
Brahms - Symphony No 1 in C Major
Brahms - Symphony No 2 in D major
Brahms - Symphony No 3
Brahms - Symphony No 4 in E minor
Brahms - Tragic Overture
Bach - Goldberg Variations
Grieg - Peer Gynt
Mendelssohn - Hebrides
Mendelssohn - Italian Symphony
Mendelssohn - Scottish Symphony
Mozart - Magic Flute Overture
Mozart - Marriage Of Figaro
Mozart - Symphony No 40 in G Minor
Rimsky Korsakov - Russian Overture
Schubert - The Piano Sonatas
Smetana - Vltava
Tchaikovsky - Symphony Pathetique
String Quartets:Beethoven String Quartet in B flat Major Op 18
Borodin String Quartet No 1
Borodin String Quartet No 2
Dvorak - American in F major
Dvorak Quartet in F Major Op 51
Haydn Quartet in D Major Op.64
Mendelssohn Quartet in F Minor Op 80
Mozart Quartet D Minor K421
Mozart Quartet in C Major K 465
Suk - Meditation