JANUARY 2017: Gregg Hill’s Releases His newest work “Spontaneity” with 38 compositions and 3 bonus tunes. This book represents original tunes Gregg has been developing over the last 20 years. Spontaneity represents it's title. Light and highly approachable jazz. While Gregg wrote this for piano, it is highly adaptable for many instruments and lends itself well for many creative adaptations for live performances. Purchase online at Gregg Hill Jazz Storefront.