24 Hours of Classical Music from Naxos on iTunes

This is a collection of 316 tracks, including Medieval masses, Baroque and Classical pieces; even a few Romantic pieces. It’s actually more than 24 hours. You can see the complete track list here. It’s a compilation from Naxos, with mostly European musicians and conductors. It’s especially rich in early music, and includes the entire Messiah.

The iTunes link is here.