Here are 120 cool useful 2-bar ii-V riffs that can give you some new harmonic outlooks on this commonly used progression. Tu rn these riffs into bass lines or grooves. Learn them in as many different positions as possible by using each of your four f ingers as starting points on the beginning note of each phrase. These 120 riffs are years worth of enjoyment and study. Anyt ime you need a new idea remember this handy dandy book.