Give some stream of consciousness and then the answer. Ray Stevens was first offered the opportunity to record it for the film, but turned it down. He chose instead to record the song "Sunday Morning Coming Down", written by Kris Kristofferson. Bob Dylan is supposed to have been approached for the song, but he, too, reportedly declined. The trumpet solos in the song are performed by Chuck Findley.

Based on this passage, who played trumpet on raindrops keep falling on my head?
The relevant sentence in the passage is: The trumpet solos in the song are performed by Chuck Findley.
Therefore, the answer is Chuck Findley.