“Have You Ever Seen the Rain” was released as a single in 1971 from the album Pendulum (1970) by roots rock group Creedence Clearwater Revival. The song charted highest in Canada, reaching number one in March 1971. In the US, it peaked at number eight on the Billboard Hot 100 singles chart in the same year.
https://genius.com/Creedence-clearwater-revival-have-you-ever-seen-the-rain-lyrics
Stargate Sg-1 fans: I’m not crying, you are crying!