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.
From Wikipedia, the free encyclopedia.  Walk Right Back  is a 1961 song by Sonny Curtis that was recorded by The Everly Brothers, and went to No. 7 on the U.S. Billboard Hot 100 chart.lease believe me when I say, 'It's great to hear from you.' But there's a lot of things a letter just can't say, oh me. Walk right back to me this minute..., etc.). In 1971, the song was covered by Harry Nilsson and in 1978, it was a country hit for Anne Murray.