Theory in 300: the Dorian Mode - Smart Bass Guitar
Allan Holdsworth's 10 Most Usable Scales for 4-String Bass - Bass Guitar Fretboard Knowledge
SCALES AND MODES ON BASS | Bass guitar scales, Bass guitar, Learn bass guitar
Dan Hawkins - Online Bass Courses - E Dorian and E Minor Pentatonic notes are fantastic to improvise slap bass lines (you can use any technique). Great for funk, pop, and rock. | Facebook