Tempo = 120 standard
Tunning: Standard EADG
Time: 4/4

In Neil Youngs song, Hey Hey My My, there are two main parts to the bass.
we shall call them Rift 1 and Rift 2.
Rift 1:
G|----------|----------|----------|
D|--------0-|----------|----------|
A|-0--0-3---|----2---0-|----------|
E|----------|------3---|--5-5--5-5|

Rift 2:
G|----------|----------|----------|----------|
D|----------|----------|----------|----------|
A|-3--3-----|----------|----------|----------|
E|------0-3-|-3-3-3--5-|--5--5--5-|--1-1-1-1-|

When to Play The Rifts:

Rift1 *1
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *3
Rift2 *1
Rift1 *6

Hope You Enjoy and Have Fun! 
Note: If you're having a bit of trouble with tab, try listening to song.
Also note that this is my first tab so it isn't a master piece lol.