Matt Shelvock: using triads to create memorable melodies

Matt Shelvock:

Yes, you read correctly: this is an article on triads. I know what you are thinking, “I already know about triads…1s, 3s, 5s…how is this even USEFUL?!” Fear not, young shredder. You have much to learn.
Triads are constructed through combining the 1st, 3rd, and 5th degrees of a scale. Some examples would be a C major chord (C-E-G) and an A major chord (A-C#-E). There are 4 different triad tonalities which include major, minor, diminished, and augmented. Here are their formulas:

http://www.insaneguitar.com/column/matt-shelvock/triads-constructing-memorable-melodies-pt-1