- Basic chord scales
http://johncomino.tripod.com/crdscls.htm
- The major chord scale
http://johncomino.tripod.com/macrdscl.htm
- The natural minor chord scale
http://johncomino.tripod.com/ncrdscl.htm
- The harmonic minor chord scale
http://johncomino.tripod.com/hcrdscl.htm
- The melodic minor chord scale
http://johncomino.tripod.com/mcrdscl.htm