Did You Know? Eva Cassidy's version of this Fleet Mac song was the title song from her album released posthumously. It reached number 1 in the UK charts.  

Did You Know? This Ain't California is a homage to Tom Petty and is full of refrences to his songs

Did You Know? The Chorus to Wagon Wheel was written by Bob Dylan in 1973 and recorded on a demo but was left unfinished as a song. Then 25 years later Old Crow Medicine Show singer Ketch Secor added verses to the song.

Did You Know? Love Is Strange was written by Bo Diddley in 1956 under his wife's name Ethal Smith but he didn't release a recording of it himself until 2007.

Did You Know? Tenessee Whiskey was written by country music legend Dean Dillon. 

Image: Chris Stapleton by Julio Enriquez

Did You Know? Maggie May is a mostly true story but Rod Stewart changed the name and named it after '...an old Liverpudlian song about a prostitute'

Did You Know? Guy Mitchell's version of Singing The Blues was number 1 in the US for 10 weeks straight. It also reached number 1 in the UK and Australia

Did You Know? John Lennon was unable to release the song (and Rock 'n' Roll the album it was from) because producer Phil Spector disappeared with the master recordings. The record company later had to buy them back for $90,000. 

The chord progress in Stand By Me was so common in the 50s and 60s music that it became know as the 'Stand By Me Changes'. 

Did You Know? This song was a huge hit internationally reaching number 1 in 10 countries and top 10 in 9 others. Although in the UK it only reached 28 in the charts. 

Did You Know? At one Merle Haggard concert in the US the audience was so into this song and stomping their feet that the balcony collapsed during the song.