Calling all theory nerds...I did something in practice that I'm really liking today. I have been playing around with the melodic minor. So, G major, E melodic minor. What I did today was to play that same melodic minor pattern, but in relation to the mixolydian scale. i.e. in the same key, D mixolydian, B melodic minor pattern. I really love the sound of it but my question is: What would this version of the melodic minor scale be called? I'm pretty good at theory but never have come across this before. Thanks in advance! BASS.
Just to be sure I understand what you're trying to say, some definitions first..
1. A (natural) minor scale starts on the sixth note of the relative major scale, utilizing the key signature of that major scale,
2. That scale becomes a melodic minor scale when the sixth and seventh notes of the scale are raised one half step each, but only when as ending. Descending, it's the same as the natural minor. An E melodic minor scale would be...
E, F#,G, A, B, C#,D#,E, D, C, B, A, G, F#,E.
3. A mixolydian scale starts on the fifth major scale degree. D mixolydian would be....
D, E, F#,G, A, B, C, D (and descend the same way)
Now, if you play starting on the sixth note of THAT scale (which happens to be B, the third note of the associated major scale, G major), you are really playing B phrygian (the mode based on the third of a major scale)...
B, C, D, E, F#,G, A, B
That's not a "minor" scale of any kind (typically, you'll find it used when playing over a 7b9, 7#9, or alt7 chord),so there's no way to make it a "melodic minor."
Still, if we apply the "raise the 6th and 7th ascending only" rule for melodic minor, we get...
B, C, D, E, F#,G#,A#,B, A, G, F#,E, D, C, B
Is that the scale you're describing? If so, I'm not aware of a specific name for it, but if you like the sound there's no reason not to practice and use it.
In solos, entire uninterrupted octave runs are rarely used anyway. Scales, modes, and altered scale practice is quite useful to develop facility and to fully acquaint one's ear with all the sounds and tonal palettes available to us, but practicing shorter fragments, constantly shifting direction and modes/scales/key centers once the scale/modes are mastered really helps expand capabilities.