The recording features guest vocals from Owen Riegling, Allison Russell, Elysia Biro, and Braden Lam.
The new single pairs the band with Evan Honer ahead of a six-song deluxe expansion due in November.
Blake Slatkin and Mayer produced the track, which Serban Genhea mixed.
Before he was 22, Ridley had been a co-founder of two key British bands of the late 1960s, Spooky Tooth and Humble Pie.
