Singer-songwriter Leyla McCalla and her band (bassist Pete Olynciw, drummer Shawn Meyers and guitarist Nahum Zdybel) join us onboard the Cayamo cruise to go through their incredible, righteous and fun new record Sun Without Heat. It is a Leyla McCalla solo album but no solo artist is an island! Once we saw Leyla perform with her band, with whom she has collaborated for the past six years, we had to get the whole collaborative outfit in on the interview. Powered…