This tune is great for beginners, It enhances your co-ordination and ability to switch strings whilst keeping the chord shape the same. You'll also need to practice chords G D and A major on the beat too. There are also some nice riffs beyond fret 12.

Unos, dos, tres, catorce
Turn it up loud, ca...

You'll improve your memory for chords, strumming patterns and co-ordination with this lengthy tune.