PRATTSVILLE — Enjoy an evening of laughter and song with your neighbors on the mountain top! Free improv comedy and karaoke are coming to the Prattsville Art Center on Friday Dec. 13. Doors open and a community spaghetti dinner at 5pm, showtime at 7pm. The Hudson Valley improv trio Bombshell Improv will have you in stitches with their spontaneous scenes inspired by audience suggestions. MC Marisa Caruso will host the night with her own antics and follow up the performance with a round of audience karaoke. So bring your favorite tune titles, warm up that singing voice, and prepare for a night of hilarity and music.