<Tr> <Td> "Religion" (4) </Td> <Td> "I Guess That's Why They Call It the Blues" (5) </Td> <Td> "Crystal" (6) </Td> </Tr> <P> "I Guess That's Why They Call It the Blues" is a song by English singer Elton John, with music by John and lyrics by Bernie Taupin and Davey Johnstone . In the US, it was one of John's biggest hits of the 1980s, holding at #2 for four weeks on the Adult Contemporary chart, and reaching #4 on the Billboard Hot 100 . </P> <P> The song features Stevie Wonder on harmonica . The song received largely favorable reviews, with Bill Janovitz of AllMusic declaring the song "likely to stand the test of time as a standard ." </P> <Dl> <Dt> US 7" single </Dt> </Dl>

What does elton john song i guess that's why they call it the blues mean