"All by Myself" is a song by American artist Eric Carmen released in 1975. The verse is based on the second movement (Adagio sostenuto) of Sergei Rachmaninoff's Piano Concerto No. 2 in C minor, Opus 18. In a romantic sense the tune was famously used as a refrain in the central section of the 1945 British film "Brief Encounter". The chorus is borrowed from the song "Let's Pretend", which Carmen wrote and recorded with the Raspberries in 1972.