Guys, here's an idea for you:
visit my section of my brother's website
http://www.classaxe.com go to "Friends" and then "andrew f." ignore ancient texts and follow links to my scales resource page.
To the best of my knowledge scales afinity tables are my own invention and have never been done by anyone else. bloody simple idea but potentially Feel free to use the idea but if anyone steals it and markets it I will consider that to be bad faith and break wind in their general direction with much gusto! I sweated blood over doing all that work by hand and consider it to be my single biggest achievement in a life amply endowed with woe and mediocrity.
I'm no jazzer, I don't know a 5th of the scales here but I do know that this could be very useful.
One other point about the jazz melodic minor scale:
it's the only scale which can be substituted into circles of 4 and 5 without adding extra changes to the process.
That's hard to explain but observe the below and it will be simpler to understand.
CDEFGABC (C Maj)
DEFGABC#D (D melodic Minor) or GABCDEF#G (G Maj)
DEF#ABC#D (D Maj)
jazz Melodic minor is the only scale which has only one note different to two different major scales, this is partly because it is symetrical (Think of it as a Dorian sharp 7th, Dorian is symetrical)
Melodic Minor is a name sometimes given to an odd scale idea in which a Natural Minor scale with sharpened 6 and 7 is played going one way and just a minor when going the other. Why this is the case I don't know. I think it's crazy! A scale name should reflect the identity of its notes, esp, when two bloody notes change!
try out Harmonic Major, it's a hard scale to make chord progressions from (I found a good one once) but it's a great for melodies.
Another interesting fact:
Intuition would tell one that scales which are most similar to major scales would sound most pleasing to the ear. compare Hungarian Gypsy (forget the mode, maybe this isn't the nominative mode) BCD#EFGAB and B Bhairava (aka "oriental") BCD#EFG#AB. I think the later, despite being two notes different to the Major scale is more consonant sounding. it's a nifty scale to stir up some some serious angst during an only ordinarily harrowing A harmonic Minor (ABCDEFG#A) shred!
Hope I named them correctly, not to do so would be embarrassing!
Hope this interests.
If I couldn't laugh at myself how could I laugh at someone less ridiculous?