Ella Fitzgerald singing Paper Moon
Video of Doris Day singing 'Fly Me to the Moon' with photos of Doris and Rock Hudson.
Sun Song by AstroCappella andThe Chromatics. This is a NASA video
"AstroCappella is a marriage of astronomy and music, developed by astronomers and educators and professionally recorded by the rocking a cappella group The Chromatics."
Quote from AstroCappella website. Not astronomy humor per se, but songs with humor. Check it out.