"Anticipation" is a song written and performed by Carly Simon, and the lead single from her 1971 album of the same name. The song became a smash hit, peaking at number 13 on the Billboard Pop singles chart and 3 on the Billboard Adult Contemporary chart. The song ranked number 72 on Billboard's Year-End Hot 100 singles of 1972, and garnered Simon a Grammy Award nomination for Best Pop Female Vocalist. Simon wrote the song on the guitar in 15 minutes, as she awaited Cat Stevens to pick her up for a date. The song was used in commercials for Heinz Ketchup through the late 1970s into the 1980s.