<Li> Aretha Franklin--guest vocals </Li> <Li> The Charles Williams Singers--gospel choir </Li> <Ul> <Li> In 1986, prior to her music career, Kylie Minogue and sister Dannii performed a live cover version of the song on Australian TV Show Young Talent Time . </Li> <Li> In 1998, the Spice Girls performed a live cover version of the song on their Spiceworld Tour, as a duet between Melanie C (Sporty Spice) and Mel B (Scary Spice). They also performed it on TFI Friday . </Li> <Li> In 2011, Christina Aguilera, Martina McBride, Florence Welch, Jennifer Hudson & Yolanda Adams covered this song at 53rd Grammy Awards . </Li> </Ul> <Li> In 1986, prior to her music career, Kylie Minogue and sister Dannii performed a live cover version of the song on Australian TV Show Young Talent Time . </Li>

Who sings sisters are doing it for themselves