Complex sentence: He used to be part of a musical band called Ducttape, playing bass and singing, in Belgium, the band split up, and he now is studying Philosophy and History (that he has quoted as "witchcraft") at Sheffield University.
Split into simpler sentences: He used to be part of a Belgian band called Ducttape, playing bass and singing. The band split up, and he now is studying Philosophy and History (that he has quoted as "witchcraft") at Sheffield University.