Glenn Hughes has announced his retirement from live performances, and revealed that he requires open-heart surgery. The former Deep Purple, Trapeze, Black Sabbath, Black Country Communion and Dead Daisies singer and bassist announced his "retirement from touring and live performances" on social media Tuesday afternoon. I've never felt so strong, and I'm really looking forward to doing more shows, both solo and with Black Country Communion." Hughes most recently performed live on Saturday night in Rancho Mirage, California, leading the Kings of Chaos supergroup through four Deep Purple classics including "Stormbringer." Watch Glenn Hughes Perform 'Stormbringer' With Kings of Chaos