Paganini Caprice No. 24

Caprice No. 24 in A minor is the final caprice of Niccolò Paganini's 24 Caprices, and a famous work for solo violin. The work, in the key of A minor, consists of a theme, 11 variations, and a finale. His 24 Caprices were probably composed in the period between 1805 to 1809, while he was in the service of the Baciocchi court.
It is widely considered one of the most difficult pieces ever written for the solo violin. It requires many highly advanced techniques such as parallel octaves and rapid shifting covering many intervals, extremely fast scales and arpeggios including minor scales in thirds and tenths, left hand pizzicato, high positions, and quick string crossing.