C – D – E – F – G – A – B – C
Where you are with it
Cmaj7 · C6 · I chords
Ionian, the first mode of major. The reference point for everything else. Know it cold in all twelve keys.
Written C on B♭ trumpet sounds concert B♭.
Learn major ii–V–I licks that use C major scale.
● valve down · ○ valve up