Mark Hartman is often found behind the piano, as he will be for two big shows on September 24 at Iridium NYC, but he will also be behind the idea of making the shows fundraisers for The Playthings Theatre, the LGBT theatre company. Music man Mark will be joined by some guest singers and it promises to be a night of celebration and surprises. Mark, who's been in the pit musical-directing shows such as Avenue Q and Son…
SOURCE: NiteLifeExchange at 01:59PM on September 20, 2013