I have learned lots of chord theory and understand major diatonic harmony, the I ii iii IV V vi stuff, and while a song is playing I am able to get all the notes of the song under my fingers by ear, but... I do not know how to determine if the song is major or minor. Ok, if you play a major C or minor A scale, the notes are the same. If you play a major pentatonic C scale or a minor pentatonic A scale the notes are the same. Taking my example of major C, I would expect to see CM, Dm, FM, G7, and Am chords in a basic major key song. What chords would I expect to see in a A minor key song? And how would I tell if a song is major or minor? Thanks! Tim.