<P> Johnny Mathis and Deniece Williams recorded "You're All I Need to Get By" for their duet album That's What Friends Are For . It was the follow - up to their U.S. number - one hit, "Too Much, Too Little, Too Late ." </P> <P> Their version of "You're All I Need to Get By" peaked at #47 on the Billboard Hot 100, #10 on the Hot Soul Singles Chart, #16 on the Adult Contemporary chart, and #45 on the UK Singles Chart . It did best on the Canadian Adult Contemporary chart, where it reached #5 . </P> <Table> <Tr> <Th> Chart (1978) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> Canada RPM Top Singles </Td> <Td> 52 </Td> </Tr> <Tr> <Td> Canada RPM Adult Contemporary </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK (The Official Charts Company) </Td> <Td> 45 </Td> </Tr> <Tr> <Td> US Billboard Hot 100 </Td> <Td> 47 </Td> </Tr> <Tr> <Td> US Billboard R&B </Td> <Td> 10 </Td> </Tr> <Tr> <Td> US Billboard Adult Contemporary </Td> <Td> 16 </Td> </Tr> <Tr> <Td> US Cash Box Top 100 </Td> <Td> 67 </Td> </Tr> </Table> <Tr> <Th> Chart (1978) </Th> <Th> Peak position </Th> </Tr>

Marvin gaye tammi terrell you're all i need to get by