"California Dreamin'" is a popular song by 'The Mamas & the Papas'. The single was released in late 1965, but it wasn't an immediate breakthrough. By early 1966, the song peaked at no.4 and stayed on the charts for 17 weeks.
"The Mama's and Poppa's" -- Another famous group you kids never heard of I bet and what a sad thing you didn't. This is from the era when music had words you understood and sang yourselves and singers weren't cavorting about wiggling their hips.