You sound good but this is a musician contest.

Open Mic is a community of musicians and for this reason entries without some musical instrument being performed will not be considered a valid entry. NO KARAOKE

Open Mic is a musician contest. If you want to sing find a musician to play with you.

These contests will work for acapella performances.

There is a Karaoke contest on Steemit too. Karaoke Contest Week 29 Contestants --- by @killerwhale

Steemit Talent Contest Is Here Do You Have What It Takes --- by @donnaincancun