A Diminished/ Blues Scale Hex-0-Tonic
Regardless of which witch stirs the pot, the makings of great solo improvisation isn't about magic - even when the results do seem magical.
The "toil and trouble" part of it comes down to the consistency of - and attitude towards - one´s own practice regimen. The "toil" ceases to be "trouble", as positive results begin to manifest.
Since there actually is a method to this magic, one spellbinding, tried and true device for your bag of tricks is the use of Triad Pairs. This involves two mutually exclusive triads (no common tones between them) and their inversions - which in turn forms a 6-note (Hexatonic) scale.
Ex. 1)
Ex. 2)
The result is a strong G7, dominant sound with a b5 (Db/ C#) and a #9 (or b3, A#/ Bb). The presence of both of these extensions creates a decided Major/ minor Blues inflected tonality, which is the hallmark of most any Blues/ Funk related style.
Taking the enharmonic spellings into consideration, the interval breakdown consists of:
2 minor 2nds (A#-B & C#-D),
2 Major 2nds (B-C# & F-G),
4 minor 3rds (G-A#, A#-C#, B-D & D-F, which form 2 diminished triads),
3 Major 3rds (G-B, A#-D & C#-F)
2 Perfect 4ths (D-G. F-A#) & 2 tritones (G-C# & B-F).
Perfect 5ths are, of course, inverted 4ths. Maj/ min 6ths are inversions of min/ Maj 3rds & Maj/ min 7ths inversions of min/ Maj 2nds.
Below (Ex. 3) is an example of a 4-bar sequence, employing all six notes, as well as all of the above listed intervals (excluding 6ths), of the G Maj & Bb min Triad Pair / Hexatonic, intervalically over a bed of funkafried greens.
Ex. 3)
Work it into your own pot of "Bitches Brew", and let it marinate.
As a wise Wiz once proclaimed: "Poof! I'm out!"
B. Stern