Im Not in Love is a song by English group 10cc, written by band members Eric Stewart and Graham Gouldman. It is notable for its innovative and distinctive backing track, composed mostly of the bands multi-tracked vocals. Released in the UK in May 1975 as the second single from the bands third album The Original Soundtrack, it became the second of the groups three number-one singles in the UK between 1973 and 1978, topping the UK singles chart for two weeks. The song was also the bands breakthrough hit worldwide, reaching number one in Ireland and Canada and number two on the Billboard Hot 100 in the US, as well as reaching the top ten in Australia, New Zealand and several European countries.