Title on seam "Rare Meat Early Productions of Frank Zappa"
"The World's Greatest Sinner" was written for a 1962 movie of the same name.
'Ray' of 'Baby Ray and the Ferns' is Ray Collins, who became a 'Mothers Of Invention' vocalist.
The Jeepers tracks feature a semi-comic Dracula-style narrator talking over Halloween sound effects like wolves howling and creaking doors and whatnot. At one point the narrator describes the weather as "...raining and damp 400 days of the year". "400 Days of the Year" appeared as the original title of "Nine Types of Industrial Pollution" on early pressings of the "Uncle Meat" album.
"How's Your Bird?" was based on a phrase used by Steve Allen on his American TV show.
