Workbook
JazzValveModern Music Series No. 101
Blue Lines
Studies in jazz trumpet and improvisation. Thirty days of focused practice — one target, one exercise and one thing to listen for each day. Written for B♭ trumpet, so what you read is what you finger.
15 pages · PDF · by Justin James
Days 1–7
Tone
Long tones, overtone slurs, soft attacks and dynamic sweeps — a centered sound you can rely on.
Days 8–14
Time
Metronome on 2 and 4, swing eighths, rhythmic displacement and playing with a record.
Days 15–21
Language
Guide tones, enclosures, chromatic connectors and ii–V–I in all twelve keys.
Days 22–30
Improvisation
Motif development, question and answer, turnarounds, ballads and playing for somebody.
Also inside
A B♭ trumpet fingering appendix, and a closing page on what to do after day thirty.