Karg-Elert 30 Caprices for Flute Solo, Op. 107

The 30 Caprices for Flute Solo, Op. 107 (a self described 'Gradus ad Parnassum of the modern technique for flute solo') is a set of 30 etudes for flute composed by Sigfrid Karg-Elert. The collection was first published around 1918.