Music review Summer Arts show revels in diversity, dancing ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Barry Chin/Globe Staff Grammy Award-winning musician Angélique Kidjo performed Saturday night during the second day of the three-day Boston Summer Arts Weekend festival in Copley Square. Barry Chin/Globe Staff Kidjo, from Benin, was one of 16 acts at the festival, which will be capped off Sunday by a performance from bluegrass-country artist Alison Krauss. Barry Chin/Globe Staff Before Kidjo took the Copley Square stage, Boston-based group Session Americana performed. Peabody’s Ryan Montbleau (center) joined the group on stage for part of its set. Barry Chin/Globe Staff Session Americana is known for its regular performances at the Lizard Lounge in Cambridge. Bill Brett for The Boston Globe The Copley Square park was packed with thousands who turned out to listen to the artists. Bill Brett for The Boston Globe Among those in attendance were Oona Kilcommons of Greenfield (left), Leah Schwartz of Deerfield (center), and Isabel Bennett of Warwick. Bill Brett for The Boston Globe This group also enjoyed the concert. From left, Kinjal Murthy and Mahesh Murthy of Cambridge, Amit Bhutta of Arlington, Ashwita Shah of Waltham, Roy Goyal of Somerville, and Neha Verma.