Watch the The E, A, and D Chords online guitar lesson by Jeff Scheetz from Jump Start Rock Guitar
Three chords is all you need to write a hit song. Actually you can write a gazillion hit songs with three chords. These three represent one of the most used combinations out there. Play on your fingertips, and spend a lot of time just switching between the chords - don't worry about doing a song to start with - songs are easy once you can switch between the chords effortlessly.