No Hassle is the fifth studio album by Austriandowntempo / trip-hop duo Tosca, released by Studio !K7 in 2009. The album was "conceived as a single seamless sea of sound."[1]No Hassle includes no featured vocal tracks, and instead marks Tosca's return to vocal samples and the "use of the voice as an instrument" last heard on the 2000 album Suzuki.[2]