For the next few years he continued to work on the Missa, composing piano sonatas and bagatelles to satisfy the demands of publishers and the need for income, and completing the Diabelli Variations.
Durante os anos seguintes continuou traballando na Missa, compoñendo sonatas para piano e bagatelas para satisfacer as demandas de editores e a necesidade de ingresos, ademais de completar as Variacións Diabelli.