"I Wish It Would Rain Down" is a song by Phil Collins from his 1989 album ... But Seriously, featuring lead guitar by Eric Clapton. The song was a significant chart hit in 1990, peaking at No. 3 on the Billboard Hot 100 in the United States and No. 1on the RPM Top 100 in Canada. It also reached No. 7 on the UK Singles Chart. Collins felt that it was as close as he had ever gotten at the time to writing a blues song.

Answer this question: who plays guitar on i wish it would rain down? Let's give stream of consciousness first:
This is the relevant information: "I Wish It Would Rain Down" is a song by Phil Collins from his 1989 album ... But Seriously, featuring lead guitar by Eric Clapton.
So, the final answer is Eric Clapton.