Constructing Walking Jazz Bass Lines Book IV - Building a 12 Key Facility for the Jazz Bassist: Book & MP3 Playalong Bass Tab Edition - Paperbackby Steven Mooney (Author) Including over 5hrs of backing tracks 333 tracks in total. Building a 12 key Facility for the Jazz Bassist breaks down the jazz bass vocabulary by outlining key areas of harmonic structure related to the jazz standard and bebop styles. As in the earlier books in the series the lesson material builds in a stepwise manner enabling the student to build on the solid foundational material discussed in books I III. All lessons are