<P> After making modest chart advances for a month, the RIAA - certified gold single unexpectedly took only two weeks to vault from No. 20 to No. 5 to No. 1 on the Billboard Hot 100 on November 4, 1972, remaining atop this chart for four weeks, and also spent the same four weeks atop the adult contemporary chart . </P> <Table> <Tr> <Td> <H3> Weekly singles charts (edit) </H3> <Table> <Tr> <Th> Chart (1972--73) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> Australia KMR </Td> <Td> </Td> </Tr> <Tr> <Td> Canada RPM Top Singles </Td> <Td> </Td> </Tr> <Tr> <Td> Irish Singles Chart </Td> <Td> 9 </Td> </Tr> <Tr> <Td> New Zealand (Listener) </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK Singles Chart </Td> <Td> 5 </Td> </Tr> <Tr> <Td> U.S. Billboard Black Singles </Td> <Td> 38 </Td> </Tr> <Tr> <Td> U.S. Billboard Hot Adult Contemporary Tracks </Td> <Td> </Td> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> </Td> </Tr> </Table> <Table> <Tr> <Th> Chart (1989) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> UK Singles Chart </Td> <Td> 54 </Td> </Tr> </Table> <P> </P> </Td> <Td> <H3> Year - end charts (edit) </H3> <Table> <Tr> <Th> Chart (1972) </Th> <Th> Rank </Th> </Tr> <Tr> <Td> Australia </Td> <Td> 46 </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 55 </Td> </Tr> <Tr> <Td> UK </Td> <Td> 39 </Td> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> 47 </Td> </Tr> </Table> <P> </P> </Td> </Tr> </Table> <Tr> <Td> <H3> Weekly singles charts (edit) </H3> <Table> <Tr> <Th> Chart (1972--73) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> Australia KMR </Td> <Td> </Td> </Tr> <Tr> <Td> Canada RPM Top Singles </Td> <Td> </Td> </Tr> <Tr> <Td> Irish Singles Chart </Td> <Td> 9 </Td> </Tr> <Tr> <Td> New Zealand (Listener) </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK Singles Chart </Td> <Td> 5 </Td> </Tr> <Tr> <Td> U.S. Billboard Black Singles </Td> <Td> 38 </Td> </Tr> <Tr> <Td> U.S. Billboard Hot Adult Contemporary Tracks </Td> <Td> </Td> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> </Td> </Tr> </Table> <Table> <Tr> <Th> Chart (1989) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> UK Singles Chart </Td> <Td> 54 </Td> </Tr> </Table> <P> </P> </Td> <Td> <H3> Year - end charts (edit) </H3> <Table> <Tr> <Th> Chart (1972) </Th> <Th> Rank </Th> </Tr> <Tr> <Td> Australia </Td> <Td> 46 </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 55 </Td> </Tr> <Tr> <Td> UK </Td> <Td> 39 </Td> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> 47 </Td> </Tr> </Table> <P> </P> </Td> </Tr> <Table> <Tr> <Th> Chart (1972--73) </Th> <Th> Peak position </Th> </Tr> <Tr> <Td> Australia KMR </Td> <Td> </Td> </Tr> <Tr> <Td> Canada RPM Top Singles </Td> <Td> </Td> </Tr> <Tr> <Td> Irish Singles Chart </Td> <Td> 9 </Td> </Tr> <Tr> <Td> New Zealand (Listener) </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK Singles Chart </Td> <Td> 5 </Td> </Tr> <Tr> <Td> U.S. Billboard Black Singles </Td> <Td> 38 </Td> </Tr> <Tr> <Td> U.S. Billboard Hot Adult Contemporary Tracks </Td> <Td> </Td> </Tr> <Tr> <Td> U.S. Billboard Hot 100 </Td> <Td> </Td> </Tr> </Table>

Who sang it's a bright sunshiny day