Sonate for Soprano Saxophone in B-flat and Piano by Jindřich Feld. Leduc, 1989, SS, 26 + 8 pages. This Sonata is in three movements: I. Molto moderato/Piu mosso, II. Scherzo (Allegro assai), and III. Finale (Allegro con brio/Molto moderato). This is a college level work with a range to altissimo G and a total duration of 15:30. Here is an audio recording of the first movement with the other movements available as well.