Guitarist Trey Anastasio, now sober, performs “Sample In A Jar” during the opening show of Phish’s summer tour at Fenway Park on May 31, 2009. S. Balaji Mani—The Tech May. 9, 2016 Facebook Twitter Reddit Print Guitarist Trey Anastasio, now sober, performs “Sample In A Jar” during the opening show of Phish’s summer tour at Fenway Park on May 31, 2009. S. Balaji Mani—The Tech