The Doors - "Riders on the Storm"
     L.A. Woman - Track 10
Standard tuning (E,A,D,G)
  Tabbed by Aj

    / - slide

Intro / Riff 1(00:14)
G|-------------------
D|--2----------------
A|----2---2---0-4-0--
E|------3---0--------

Riff 2
G|-------------------
D|-------------------
A|----2---2---0-4-0-- repeat (main riff of song)
E|--0---3---0--------

Riff 3
G|---------------------------
D|---------------------------
A|--00--/1212--1010--1212--
E|---------------------------

Riff 2x2

Riff 4
G|----------------------
D|--12-12-12-12--10-10--
A|----------------------
E|----------------------

thats the basic order of the entire song.
there are veriations of riff 3 such as:
A|--00--/1212--00--/1212--

A|--00--/1212--10h12--1212--

Listen to the song; they aren't difficult to pick out, and any variation really sounds just as good.

Great bass line especially for how simple it is.