Saturday, April 23, 6pm. The Somerville Homeless Coalition’s “Under the Roof” annual benefit dinner takes place at Arts at the Armory on Highland Ave. Tufts University’s soon-to-retire president, Larry Bacow, is this year’s honoree. Open bar, auction, dinner by Redbones, dancing and award ceremony for Bacow and other SHC partners. Tickets are $75 each, or $550 for a table of eight. More at www.shcinc.org.