What are the notes for gb scale 2 octave with arpeggios

Explanation:

All scales will sound in octaves in an orchestra setting;  arpeggios sound in parallel sixths.  An attempt was made to have each instrument begin in an “effective” part of its range:  i.e., first position on it’s lowest string.

The bass parts are necessarily the hardest since a range of two octaves will require very high shifts.  Nevertheless, no attempt was made to “ down” this part.  Good bass players have to learn to shift too.

yes that is correct and good

explanation:

12-bar blues chorus = a a b