Willy Mason - So long, has 4 chords in it, and is still a fantastically amazing song
http://www.ultimate-guitar.com/tabs/...o_long_crd.htm
Devendra Banhart - At the Hop (4 chords)
http://www.ultimate-guitar.com/tabs/...he_hop_crd.htm
You don't have to play the picking, it sounds fine strummed
Tanita Tikaram - Twist in my sobriety has 3 chords in it,
Verse: Am Dm Emaj Am,
Am Dm Emaj Am,
Emaj Am,
chorus: Emaj, Am,
Emaj, Am,
Dm, Am
Emaj Am,
Emaj Am,
You might have to put a capo somewhere for that ^.
They're all brilliant songs, which is always good.