Exile and his Dirty Science posse drop Cassette mixtape, right in time for the Holidays. Featuring never-before-released tracks by Exile from '96 to '09, expect to hear demo versions from the beatsmith's rap album 4TRK MIND, as well as demos from sessions for Blu & Exile as well as Emanon (Aloe Blacc & Exile). All tracks were made on a 4-track by Exile, except for "Like That," produced by Kankick. Download it here.