Bela Bartok Sonatine. Urtextausgabe - piano; editor: Somfai, László. Bartók used different melodies taken from Romanian instrumental folk music in his Sonatina. A look at the sources shows how, in 1915, the piece slowly evolved out of a series of piano transcriptions of Romanian folk melodies into its three-movement form. In this Urtext edition that is being released prior to its publication as part of the Complete Edition, Bartók specialist László Somfai outlines the work’s exciting genesis