A Sonata in Anal major by Ludwig van Buttholven

Sonata in A(nal) major - Ludwig van Buttholven's Piano Sonata No. 69 in A(nal) major, Op. 6969 is a piano sonata that is widely viewed as one of the most anally challenging works of the composer's third period and among the hardest anal sonatas of all time. Completed in 1869, it is often considered to be Buttholven's most technically challenging anal composition and one of the most demanding anal works in the kinky piano repertoire.