View post (Need help with intervals (perfect, major, minor, ect))

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ChristopherSchlegel
Guitar Tricks Instructor
Joined: 08/09/05
Posts: 8,427
ChristopherSchlegel
Guitar Tricks Instructor
Joined: 08/09/05
Posts: 8,427
01/01/2010 6:53 pm
Originally Posted by: RazboWhy "Perfect"? What is it about Unison, 4, 5 & Octave that is "Perfect"?[/quote]
The nomenclature relates to relative consonance &/or dissonance of the intervals in question. These two Wiki articles taken together address the topic very well. Be forewarned you are wading in fairly thick music theory, physics and acoustics:

http://en.wikipedia.org/wiki/Interval_(music)
http://en.wikipedia.org/wiki/Consonance_and_dissonance
[QUOTE=Razbo]I understand moving a half step up or down from a Perfect interval is Augmented or Diminished vs. being Major or Minor, but what's the difference?

I dealt with these issues here:

http://www.guitartricks.com/forum/showthread.php?p=248084

Hope this helps. Ask more if necessary as always. :)
Christopher Schlegel
Guitar Tricks Instructor

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