Based on the terzetto 'Pria ch'io l'impegno' of Joseph Wiegl's light opera 'L'Amor Marinaro', Woelfl's theme and nine variations were composed to meet the insatiable public demand for popular works. A direct contemporary of Beethoven with whom he was often compared, Woelfl received his early education from Leopold Mozart and Michael Haydn and was regarded as one of the leading piano virtuosi of his generation.---Dem Terzett 'Pria ch'io l'impegno' aus Joseph Weigls leichter Oper 'L'Amor Marina...