FULL TITLE: Daryl Dragon, the cap-wearing 'Captain' of 70s pop duo Captain And Tennille dies of renal failure aged 76 with ex-wife Toni at his side Daryl Dragon of 70s singing duo Captain And Tennille has died at the age of 76. The musician's publicist told TMZ he died of renal failure in Arizona, where he was in hospice care, with his ex-wife Toni Tennille at his side. Daryl was known as the cap-wearing Captain who teamed up with then-wife Toni on 70s hits including the Grammy Record Of The Year winning Love Will Keep Us Together and Muskrat Love....