5 out of 5

Etude in Ab Major Op. 25, No. 1

This Etude is commonly known as The Aeolian Harp which is made from a long narrow box on which are strung 8 or 12 very thin silk strings
3.5 out of 5

Sonata In G Minor Op. 3 No. 6

The form is a little unusual in that the middle movement, usually a slow one, is quick while the first and last are more melodic.