Complex sentence: His uncle, Butch, is a founding member of The Allman Brothers Band and according to Trucks, the name of Eric Clapton's band; "Derek and the Dominos" had "something to do with the name (Derek) if not the spelling".
Split into simpler sentences: His uncle, Butch, is a founding member of The Allman Brothers Band. According to Trucks, the name of Eric Clapton's band, "Derek and the Dominos", had "something to do with the name (Derek) if not the spelling".