Here is an easy riff to play complete with two guitar parts.
The song is set to 124 bpm (beats per minute) and will be in drop
d tuning for the first guitar.
In drop D tuning the low E string is tuned down one whole step
to D. This enables the guitarist to play power chords with a single
finger. If your favorite band uses drop D tuning and you want
to experiment with this tuning, by all means do so. What ever
you do, don't learn the guitar in drop D tuning-you'll get all
mixed up.
To tune your guitar to drop D tuning, first make sure your tuned
to standard tuning. Then you'll want to tune your low E string
down two steps to D (we drop it down one step, hence the name).
See the picture below. You can use the audio clip below to tune
your low E string to D for drop D tuning.
Here is how the guitars sound together:
Guitar 1
Guitar 2
This part is only played on the first three measures.