The album features 9 tracks of introspective, somewhat meditative jazzcomposition and improvisation, including a fully notated contemporary classical work, the title track 'progression meditation' Glen Charles Halls is a renowned composers, pianist, scholar, educator, and theorist. He is also an accomplished heavy metal guitarist. Present interests include his 'braintrust' ensemble, which combines contemporary jazz with world-groove and rock elements. Reviews of artist: 'understated Genious and Musicality' James Muritech, Calgary Herald. 'Halls demostrates complete mastery of the contemporary jazz idiom' Jazz Quad.