2.: Select a scale mode:
Pentatonic
  minor   minor6 m7/5b    
Blues
major minor mixed        
Diatonic
  dorian phrygian     minor/aolian locrian
Harmonic Minor
HM1 HM2   HM4 HM5    
Melodic Minor
MM1 MM2     MM5 MM6  
other
  whole/half wholetone