Ernest I. Park ’12, with the MIT Logarhythms, sings “Knock on Wood” by Eddie Floyd at the Greater Boston Invitational Songfest on Saturday night. Jennifer L. Wong—The Tech May. 9, 2016 Facebook Twitter Reddit Print Ernest I. Park ’12, with the MIT Logarhythms, sings “Knock on Wood” by Eddie Floyd at the Greater Boston Invitational Songfest on Saturday night. Jennifer L. Wong—The Tech