NOTE: There are two ways to play this tune. One is just play A chords throughout the entire song. For a more "melodic" option see option two below.
A (I) - A (I) - A (I) - A (I) A (I) - A (I) - A (I) - A (I)
A (I) - A (I) - A (I) - A (I) F#m (vi) - F#m (vi) - F#m (vi) - F#m (vi) D (IV) - D (IV) - D (IV) - D (IV) E (V) - E (V) - E (V) - E (V)