Ryan penned track "Faith" with the celebrated musician, who also lends his vocals alongside popstar Ariana Grande.
The song features in animated movie "Sing" and has bagged a Golden Globe nomination, competing for Best Original Song.
Stevie isn't short on recognition of his music, winning an Oscar for "I Just Called to Say I Love You" which featured in 1984 comedy "The Woman in Red", but having penned so many songs alone Ryan was nervous about giving his input on their joint venture, reported Los Angeles Times.
"Halfway through the session, (Republic Records chief) Monte Lipman looks at me and goes, 'Man, there was a greater-than-50 per cent chance this could've been a disaster.'
It ended up in the top two or three sessions of my entire career.