Tajna Crne Kutije (The Best Of) is a double album that features the best tracks of Tram 11. It was released in 2003. The first disc features Tram 11's greatest hits and 3 new tracks ("Veliki Odmor", "Mi Smo Tu" and "Bomba"), and the second disc features mostly rare and unreleased tracks or collaborations with other artists that were not released as a part of their own albums before.