If I'm not mistaken, this is the first appearance of Three Dog Night on this little project. They were quite the hit-making machine in the early 1970s, as well as a showcase for great but lesser known songwriters such as Laura Nyro ("Eli's Coming") and Hoyt Axton ("Joy to the World," "Never Been to Spain"). And this song, which was written and originally performed by a guy who would later become famous, mostly for his two hit singles ("Short People," "I Love L.A.") and film scores - Randy Newman.
Hey, they were great - what can I say?
"Mama Told Me (Not to Come)," Three Dog Night, from the summer of 1970.