3 Deep Surface
The most used Key signatures in this album are A♯, C♯m, C, Em, D♯m, D♯, D, Gm, F♯m, G♯, F♯, Cm, with major being the most reccurent mode.
Harmonic Profile 3 Deep
Album has 12 different key signatures, divided as follows:
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6 songs are major (out of 12).