Platinum selling, boundary-breaking artist Mat Kearney mixes his timeless melody-driven songwriting with a wide, genre-bending set of interests: organic instruments, electronic samples, chill house grooves, tropical sounds and DJ collaborations, all glued together by an emphasis on ageless hooks and thought-provoking lyrics. He performs at the Lowell Summer Music Series, Boardinghouse Park, 40 French St., Lowell. Tickets $35 in advance, $40 day of show.