Watch the Arpeggio Exercises online guitar lesson by Muriel Anderson from 50 Right-Hand Techniques You Must Know

This arpeggio exercise is a nice warm-up for the right hand, and sounds cool so it may come in handy for someplace in your music as well.

The pattern for Villa-Lobos's Etude #1 is also a great warm-up, and handy if you want to play this piece later on.