Open Mic is not really a karaoke contest and while we like supporting your singing post we are really looking for musicians and singers who sing with musicians.
There are other contests for just singing to a pre-recorded track like:
There is a Karaoke contest on Steemit too. Karaoke Contest Week 22 Contestants --- by @killerwhale
Steemit Talent Contest Is Here Do You Have What It Takes --- by @donnaincancun
RE: Open mic week 68