<P> `` How Can You Mend a Broken Heart '' is a song released by the Bee Gees in 1971 . It was written mainly by Barry and Robin Gibb and was the lead and first single on the group 's 1971 album Trafalgar . It was their first US No. 1 single and also reached No. 1 in Cashbox magazine for two weeks . </P>
who sang how can you mend a broken heart first
the Bee Gees