Here's a talking head intro, if you need or want one.
Revise the Build-up of Tones in F.
Bowl through all three melodies at speed. Repeat as many times as it takes to get better - that's all! (You don't have to be perfect... .)
PENTATONICS SERIES NAVThe Pentatonic Scales
Melody Work and
Playing by Ear
and Diaries -