Simon hit the nail right on the head. Learn lots of songs in the key of C, then you can easily expand your knowledge base to include other, more complex chords. It may take a bit longer to learn the chords, but you'll have lots more fun doing it.
Cheers,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)