Did You Know? The John Lennon wrote Working Class Hero about how working class people are being process into the middle classes, into 'the machine'.  To get the perfect take of the song, John Lennon recorded it over 100 times. 

Did You Know? Mad World was originally released 20 years before Gary Jules recorded it, by Tears For Fears the electronic group who wrote the song. 

The one before the last line of the song was originally 'Halargian world' which was a joke reference to a planet the producer had made up. This line was understandably miss heard by Gary Jules who sang it instead as 'enlarge your world'

Did You Know? Heart of Gold is Neil Young's biggest song reaching no.1 in the charts and it features James Taylor and Linda Ronstadt on backing vocals

Did You Know? The Eagles wrote Lyin' Eyes in only 2 evenings.

Did You Know? My Sweet Lord was the first post Beatles no.1 and was the first single from George Harrison's solo album All Things Must Pass and was the biggest selling song of 1971. 

Did You Know? I love you because was Jim Reeves' most successful song in Norway! It was also covered by Johnny Cash and Elvis Presley.

Did You Know? From Hank To Hendrix is a reference to the people who influenced the two sides of Neil Young's music Hank Williams and Jimi Hendrix

Did You Know? A Horse With No Name was originally called Desert Song and at first people though it was a Neil Young song.