Mellotronists

I was listening to the Bob and Tom morning radio show and they were talking 
about the school graduation season and in the background they wre playing the 
traditional graduation anthem, and it was played on a not-very-well-sounding 
Mellotron on 3 violins.   Eventually Chic asked what that music was from and Tom 
replied it was from a tape he had.   He thought it was from a onld record 
because you can hear the pitch change.   Anyone else catch that in the US?
Bill "the Doctor" Rudloff