Bluegrass Tuesdays began in Central Square in Cambridge in September of 1993 and has since grown to become one of the longest-running and most-successful bluegrass nights in the country. For 27 years, Tuesday Night Bluegrass was hosted by Geoff Bartley at The Cantab Lounge, welcoming regional and national artists on stage and serving as a weekly gathering place for the local bluegrass community. Bluegrass Tuesdays are now hosted by Tony Watt and held at chef Chris Parsons’ restaurant Lily P’s Fried Chicken & Oysters in Kendall Square in Cambridge.