<prompt> Translate the following text to Swahili2 sonatas, for example, dont need a sound source identical to the Hammerklavier . And the coming original-instrument performances of the remaining concertos from Levin and Gardiner promise to be revelatory.  <response>: Kwa mfano, sonata mbili hazihitaji chanzo cha sauti sawa na Hammerklavier, na maonyesho ya vyombo vya asili ya Levin na Gardiner yanatarajiwa kuwa ya ufunuo. 