With a landmark 50th anniversary album, 2018s Soul Side of Town, still visible in their rearview mirror, one would think Tower of Power or TOP, as it is more often referred to by its global legion of fans, the much lauded creators of their own horn based, hybrid brand of East Bay soul, funk, R&B, rock, would take a well deserved breather but that is not in the bands DNA, nor that of its founder and ringmaster, tenor saxophonist and bandleader Emilio Castillo.