To find the theory behind Where is my mind? we first found out what key it was it, finding out that it was in the E Major scale. After we found out the key it was in we had to write down the chord progression and find out which chords it changed and where the repeats of chords and bars were. We found out that the minor 3rd is a major 3rd in this song but only because it goes to chord 4 straight after, making it work.