To all you guitar lovers, im attaching a file which will contain all the chords that can be played when a song in in a key . Ive added a list for both majors and minors . Hope you find this useful, select any song, chk out which scale it is in and you will know what major and minor chords to play, ive kept it simple... EG if you are playing a song in the key of G major: the chords that follow generally would be D major or Dmaj7th, c major, eminor, b minor. check it out for youself ,its for all the keys