You don't need to know many guitar scales to play ... Unlike chords, scales are played one note at a time. You should be able to see that the C major pentatonic scale uses all the notes from ...

The ‘happiest’ sounding of the modes, the Ionian is identical to the major scale, so it’s highly likely you’re already ...

modulating to the relative major key of E♭ major for the chorus and then modulating back to C minor. The melodic minor scale is a minor scale with both the sixth and seventh notes raised by half ...