Led Zeppelin
Heartbreaker

Standard tuning

Riff A
E-----------------------------------------------------|
B-----------------------------------------------------|
G-----------------------------------------------------|       x3
D----------------0--1--2---------------------0--1--2--|
A---------0--3-------------------0-0-0-0-3------------|
E--3-(4)------------------3-(4)-----------------------|

Riff B
E-----------------------------------------------------|
B-----------------------------------------------------|
G-----------------------------------------------------|       x1
D--------2--3--4--------------------2--3--4-----------|     Repeat Riff A
A--2--5------------------2-2-2-2-5--------------------|
E-----------------5-(6)----------------------5-(7)----|

I haven't tabbed out the rhythm exactly, but it's easy enough to work out.
Comments, questions, requests to
bassbotherer@yahoo.co.uk :-)