Guess the Fusion Rock Song Lyrics #4

*First line is the artist name. 1975. This was originally a Sutherland Brothers song. This song was #1 in the UK for 4 weeks and remains this popular artist's biggest UK hit. It was an international hit. The artist had to record this song without having a drink first which terrified him. He did do it. He's had hits over several decades. This song appropriately appeared on his album Atlantic Crossing.