Walkabout Tremont, the event held the second weekend of every month, happens tonight. The theme this time is “It’s Bloomin’ April”. Check out some of the best restaurants and galleries Tremont has to offer tonight from 5-10. Or you can head over to the Hard Rock Rocksino at Northfield Park to see “The Fab Four: The Ultimate Tribute To The Beatles”. Showtime is 7 o’clock.