Scales to use:
G Major Pentatonic (which is the same as Em Pentatonic)
G Major Scale
Scales to use:
C Dorian (2nd mode of the Major Scale - play Bb Major starting on the second note which is C)
C Minor
C Minor Pentatonic
This is a riff I came with that is super fun to jam on.
Scales to use:
A Minor Pentatonic
A Mixolydian (5th mode of the Major Scale - Play D Major scale starting on A)