Ticket price includes £1.20 venue levy Tortoise is widely considered one of the most influential music groups of the last 40 years, with a wide-reaching impact on the contemporary music scene. Pitchfork says: “Imagine a graphic showing all the bands the five members of Tortoise were in before they came together and then all the bands they went on to play with after. At the top of the funnel you have groups ranging from dreamy psych-rock to earthy post-punk crunch, including Eleventh Dream Day, ...