The gospel blues scale can be used to do crazy runs and also the blues scale can give your music that down home kick.....Try add these while your backing up the preacher....and even in some of your shouting music....play with it anyway you'd like....Just don't give up...I hope this helps someone....God Bless!!
Gospel Blues Scales in all 12 keys
Formula= 1, b3, 4, #4, 5, b7
C= C,Eb,F,F#,G,Bb
C#/Db= C#,E,F#,G,G#,B OR Db,E,Gb,G,Ab,B
D= D,F,G,G#,A,C
D#/Eb= D#,F#,G#,A,A#,C# OR Eb,Gb,Ab,A,Bb,Db
E= E,G,A,A#,B,D
F= F,Ab,Bb,B,C,Eb
F#/Gb= F#,A,B,C,C#,E OR Gb,A,B,C,Db,E
G= G,Bb,C,C#,D,F
G#/Ab= G#,B,C#,D,D#,F# OR Ab,B,Db,D,Eb,Gb
A= A,C,D,D#,E,G
A#/Bb= A#,C#,D#,E,F,G# OR Bb,Db,Eb,E,F,Ab
B= B,D,E,F,F#,A