<Li> Strings arranged by Peter Cetera, David Foster and Jeremy Lubbock </Li> <Table> <Tr> <Td> <H3> Weekly charts (edit) </H3> <Table> <Tr> <Th> Chart (1982) </Th> <Th> Peak position </Th> </Tr> <Tr> <Th> Australia (Kent Music Report) </Th> <Td> </Td> </Tr> <Tr> <Th> Austrian Singles Chart </Th> <Td> 5 </Td> </Tr> <Tr> <Th> Belgian (Flanders) Singles Chart </Th> <Td> 15 </Td> </Tr> <Tr> <Th> Canada RPM Top Singles </Th> <Td> </Td> </Tr> <Tr> <Th> Canada RPM Adult Contemporary </Th> <Td> </Td> </Tr> <Tr> <Th> German Singles Chart </Th> <Td> 6 </Td> </Tr> <Tr> <Th> Ireland (IRMA) </Th> <Td> </Td> </Tr> <Tr> <Th> New Zealand Singles Chart </Th> <Td> 13 </Td> </Tr> <Tr> <Th> Swiss Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> UK Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> US Billboard Hot 100 </Th> <Td> </Td> </Tr> <Tr> <Th> US Adult Contemporary </Th> <Td> </Td> </Tr> </Table> </Td> <Td> <H3> Year - end charts (edit) </H3> <Table> <Tr> <Th> Chart (1982) </Th> <Th> Rank </Th> </Tr> <Tr> <Td> Australia </Td> <Td> 10 </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 9 </Td> </Tr> <Tr> <Td> Switzerland </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK </Td> <Td> 27 </Td> </Tr> <Tr> <Td> US Billboard Hot 100 </Td> <Td> 10 </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Td> <H3> Weekly charts (edit) </H3> <Table> <Tr> <Th> Chart (1982) </Th> <Th> Peak position </Th> </Tr> <Tr> <Th> Australia (Kent Music Report) </Th> <Td> </Td> </Tr> <Tr> <Th> Austrian Singles Chart </Th> <Td> 5 </Td> </Tr> <Tr> <Th> Belgian (Flanders) Singles Chart </Th> <Td> 15 </Td> </Tr> <Tr> <Th> Canada RPM Top Singles </Th> <Td> </Td> </Tr> <Tr> <Th> Canada RPM Adult Contemporary </Th> <Td> </Td> </Tr> <Tr> <Th> German Singles Chart </Th> <Td> 6 </Td> </Tr> <Tr> <Th> Ireland (IRMA) </Th> <Td> </Td> </Tr> <Tr> <Th> New Zealand Singles Chart </Th> <Td> 13 </Td> </Tr> <Tr> <Th> Swiss Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> UK Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> US Billboard Hot 100 </Th> <Td> </Td> </Tr> <Tr> <Th> US Adult Contemporary </Th> <Td> </Td> </Tr> </Table> </Td> <Td> <H3> Year - end charts (edit) </H3> <Table> <Tr> <Th> Chart (1982) </Th> <Th> Rank </Th> </Tr> <Tr> <Td> Australia </Td> <Td> 10 </Td> </Tr> <Tr> <Td> Canada </Td> <Td> 9 </Td> </Tr> <Tr> <Td> Switzerland </Td> <Td> 5 </Td> </Tr> <Tr> <Td> UK </Td> <Td> 27 </Td> </Tr> <Tr> <Td> US Billboard Hot 100 </Td> <Td> 10 </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> Chart (1982) </Th> <Th> Peak position </Th> </Tr> <Tr> <Th> Australia (Kent Music Report) </Th> <Td> </Td> </Tr> <Tr> <Th> Austrian Singles Chart </Th> <Td> 5 </Td> </Tr> <Tr> <Th> Belgian (Flanders) Singles Chart </Th> <Td> 15 </Td> </Tr> <Tr> <Th> Canada RPM Top Singles </Th> <Td> </Td> </Tr> <Tr> <Th> Canada RPM Adult Contemporary </Th> <Td> </Td> </Tr> <Tr> <Th> German Singles Chart </Th> <Td> 6 </Td> </Tr> <Tr> <Th> Ireland (IRMA) </Th> <Td> </Td> </Tr> <Tr> <Th> New Zealand Singles Chart </Th> <Td> 13 </Td> </Tr> <Tr> <Th> Swiss Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> UK Singles Chart </Th> <Td> </Td> </Tr> <Tr> <Th> US Billboard Hot 100 </Th> <Td> </Td> </Tr> <Tr> <Th> US Adult Contemporary </Th> <Td> </Td> </Tr> </Table>

Hard to say i'm sorry song by chicago