Six Sonatas for Violin and Viola Hob. VI:1 6-The title Solo per il Violino which Haydn gave these sonatas in his Entwurf-Katalog (the handwritten catalogue he maintained of his own works) already gives us an indication: it is only the Violinwhich is treated as a solo instrument in these six sonatas the Viola has an accompanying role. Haydn might have written these soli for himself; but they also might have been for Luigi Tomasini the first violinist atEsterházy s court. Today these duos enjoy great popularity particularly for teaching purposes. We are now proud to present the definitive Henle edition following the text in the Complete Edition of Haydn s Works withthe addition of specially composed cadenzas.