Just began guitar? play these simple but cool riffs to start off!
Blink 182- Dammit
E-----------------------------------
B-----------------------------------
G-----------------------------------
D----00-2---00-2------00-2---22-0---
A--33-------------00----------------
E----------33--------------11-------
Goldfinger-Open your        
eyes                               ?
E-----------------       E-------------------- 
B-----------------       B--------------------
G-----------------       G--------------------
D-----------------       D---3---2---3--5--2--
A----2222---5555--       A-1---3---5----------
E-000----333------       E--------------------
The White Stripes-7 Nation Army
E--------------------------------------
B--------------------------------------
G--------------------------------------
D--------------------------------------
A--------------------------------------
E--7-7-10-7-5-3-2---7-7-10-7-5-3-5-3-2-
Green Day-Hitchin a Ride (Bass guitar)
E---77-55-44-333------------------------

What do ya think?