I have a book with a bunch of Diminished and Dominant runs. are these good things to learn ? What purpose to they serve ? Would they help with developing technique and speed ?
Agile Septor Elite 7-String
ESP H-1007
ESP H-1001
Peavey 5150
Mesa Boogie Cab

Recording Gear -
PreSonus FireStudio Interface
CX5 Studio Monitors
Diminished and a lot of dominant runs can be used to create tension. If you're a metaller they could sound good over anything for a tense (or evil ) sound. For other uses the dominant runs are useful over dominant 7th chords, the more tense ones especially over dominant seventh chords which resolve (to create tension before the release). I wasn't really sure when diminished runs fit over chords, so I looked on wikipedia.

"The whole-half diminished scale is commonly used in conjunction with diminished harmony (e.g. the "C dim" harmony) while the half-whole scale is used in dominant harmony (e.g. with a "G7♭9" harmony.) In more advanced improvisation, the scale may be used in other circumstances, for example with a minor-major chord"
Quote by VR2005
Very good post Marmoseti, you're on the right track.

Because footstools are cool - UG's Classical Guitarists

PM Marmoseti or Confusius to join