Describing her as his "face to call home," he added that "she was so patient" and she took the time "to continue to get to know me and love me" despite his vocal impairment.

It seems Perry is returning the favor by adding her vocals to Mayer's new album Paradise Valley, out Aug. 20. According to Rolling Stone, Perry will be featured on "a country-tinged mid-tempo track titled 'Who You Love.'"

.Frank Ocean will lend his voice on "Wildfire." That's also a returned favor of sorts, seeing as Mayer played guitar on Ocean's Channel Orange track "White."