It's cross to bear, bear in this case being used in the same sense it is in weight bearing, Greeks bearing gifts or even ball bearing. It refers back to the Biblical tale of Jesus carrying his cross to Golgotha.
Lookin' Out My Back Door. Lookin' Out My Back Door is a song recorded by the American band Creedence Clearwater Revival, also known as CCR. The song was written by the band's lead singer, guitarist, and songwriter, John Fogerty.
Don't Look Back in Anger is a song by the English rock band Oasis. It was released on 19 February 1996 as the fourth single from their second studio album, (What's the Story) Morning Glory? (1995). The song was written by the band's guitarist and main songwriter, Noel Gallagher.