I frequently perform my written work at open mics and other venues. Here's a recent example, performing Wisteria Blue:
There's also an audio recording of that same piece as part of the Songs & Sounds of Tallahassee event at Blue Tavern last summer.
And another, Float, at the same venue:
I've begun playing guitar and singing covers at open mics as well, and hope to continue developing things in that direction with some originals.
I've done many theatrical and vocal performances in musical theatre and choral groups in the past, none of which—for better or worse—were documented for posterity. You'll have to trust me on this one.