Johann Sebastian Bach: 186 works in scans of historical printed editions — sonatas and sonatinas (4), preludes, fugues, inventions (79), dances (6), variations (1), suites and cycles (24), concertos (11), choral works (25), chamber music (4), pieces and other works (32). The composer died in 1750; the music is in the public domain. All scores are free: open a piece and download the PDF.