Grubb Springs -- Chord Progression

A 
  A (I) - A (I) - A (I)  - A (I)
  A (I) - A (I) - A (I)  - A (I)
  A (I) - A (I) - A (I)  - A (I)
  A (I) - A (I) - D (IV) - A (I)
B 
  A (I) - A (I) - D (IV) - D (IV)
  A (I) - A (I) - D (IV) - D (IV)
  A (I) - A (I) - D (IV) - D (IV)
  A (I) - E (V) - A (I)  - A (I)