Happy Birthdays

Bach 0:23 - Mozart 1:08 - Beethoven 1:52 - Schubert 3:17 - Chopin 4:36 - Liszt 5:36 - Wagner 6:47 - Strauss 8:12 - Dvorak 8:52 - Joplin 9:56 - Cage 10:20 Piano variations of 'Happy Birthday' as old masters would have written them