<Li> The Mamas & the Papas vocalist Denny Doherty included the song on his 1974 solo album Waiting for a Song . The single was released with "Goodnight and Good Morning", from the same album, as the B - side . This version reached the top 15 of Billboard's Easy Listening survey . </Li> <Ul> <Li> Singer and actress Bernadette Peters sang the song on her eponymous debut solo album in 1980 . </Li> </Ul> <Li> Singer and actress Bernadette Peters sang the song on her eponymous debut solo album in 1980 . </Li> <Ul> <Li> Singer Antonio Marcos released a Spanish rendition of the theme, named "Nunca Sabrás", in the Spanish soundtrack from the Brazilian Soap Opera "Baila Conmigo" (Dance With Me), created by Manoel Carlos and televised by Rede Globo in 1981 . </Li> </Ul>

Who wrote you'll never know how much i love you