With one of the highest registers in soul, Minnie Riperton was among the most impressive vocalists of the 1970s. Her small, but impactful catalog in that decade, full of angelic hits like “Lovin’ You, ...

Stevie Wonder is on the phone recounting the experience — trying to recount the experience — of recording “Lovin’ You” half a century ago with his friend, the late Minnie Riperton. “We were down at ...