Ozzmosis
However , he returned with "Ozzmosis" in 1995 , which featured long-time guitarist Zakk Wylde as well as former Black Sabbath bassist Geezer Butler , drummer Deen Castronovo and keyboardist Rick Wakeman . 
<triplet> Black Sabbath <subj> Geezer Butler <obj> has part <triplet> Geezer Butler <subj> Black Sabbath <obj> member of