Paul Baloche is inviting fans to sing their own version of his track "The Same Love".
And there are some great prizes for the best renditions, including a Fender American Deluxe Stratocaster electric guitar, a Gibson Les Paul Standard Traditional Pro Electric Guitar and a Taylor GA3E Grand Auditorium Acoustic Guitar.
DVD and music bundles are also up for grabs and there are even prizes for anyone who casts a vote for their favourite rendition.
Thirty voters will receive a $20 iTunes gift card and 100 voters will win copy of Baloche's The Same Love album.
Fans have until 19 September to get their entries in - see here
for more details.
The winner will be announced on 11 November.