<Table> <Tr> <Td> "Another Rainy Day in New York City" (1976) </Td> <Td> "If You Leave Me Now" (1976) </Td> <Td> "You Are On My Mind" (1977) </Td> </Tr> </Table> <Tr> <Td> "Another Rainy Day in New York City" (1976) </Td> <Td> "If You Leave Me Now" (1976) </Td> <Td> "You Are On My Mind" (1977) </Td> </Tr> <P> "If You Leave Me Now" is the title of a popular hit ballad by the American rock group Chicago, from their album Chicago X . It was written and sung by bass guitar player Peter Cetera and released as a single on July 31, 1976 . It is also the title of a Chicago compilation album released by Columbia Records (Columbia 38590) in 1983 . </P> <P> The single topped the US charts on October 23, 1976, and stayed there for two weeks, making it the first number one hit for the group as well as hitting number one on the Easy Listening charts . "If You Leave Me Now" was also Chicago's biggest hit internationally, topping the charts in other countries such as the UK, Australia, Ireland, Canada, and Netherlands . In the UK it maintained the number one position for three weeks . It was one of only five "non-disco" songs to make it to number one in the US in a nine - month period of 1976 . According to writer Zachary Houle of PopMatters, "The song was so pervasive on radio upon its release that, reportedly, those tuning in in New York could hear the song playing on four different stations, each with varying formats, simultaneously ." </P>

Who sings if you leave me now you take away the biggest part of me