Complex sentence: In 2006, Kamoze recorded and released a double CD, Debut, in which he re-recorded a number of his classic tracks from his carerr that was released on the 9 SoundClik label in which he was closely associated.
Split into simpler sentences: In 2006, Kamoze recorded and released a double album, "Debut". On which he re-recorded a number of his tracks, and it was released on the 9 Sound Clik label, with which he was closely associated.