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 ...

The A Ionian mode (that's the same as the A major scale, remember ... you that the chords are Bm (hence ii is lowercse), E and A in the key of A major. Finally, here's a simple Ionian solo.