We can think about A minor as lowering the 3rd, lowering the 6th note of the scale and lowering the 7th note of the scale. But that can get really confusing. An easier way to think about it would be to start thinking about a C major scale on A. Or C major scale on the 6th note of the scale, which happens to be A. So, let's refresh ourselves on C major. C, D, E, 2nd fret of the D string, F, 3rd fret of the D string, open G, A on 2nd fret of the G, B, 4th fret of the G string, back to C. If we start that on A, we can play the same notes and get our A minor scale. That's A, B, C, D, E, F, G, A. And that's how you play the A minor scale on the bass guitar.