Here's what's going on today (Tuesday, April 10): Comedy Central's Daniel Tosh has two sold-out shows tonight at the Johnny Mercer Theatre. Those without tickets might want to speak (or sing) their minds at the 8 p.m. Tongue Open Mouth & Music Show, free and open to all at the Sentient Bean. Fiddler Crystal Kanney plays an intimate show at Foxy Loxy, G.E. Perry's at Jazz'd Tapas Bar, and good old Harry O'Donoghue is hoisting pints at Kevin Barry's Irish Pub. Happy April 10.