Learn the fundamentals of music theory with alternate chord notation. In this theory lesson, Alfie Magliano (Skrizzly Adams, Niykee Heaton, Sean Kingston) examines various types of chord notation, not as formal, but very useful. He shows you several variations for writing major, minor, augmented, diminished, diminished 7th, major 7th, dominant 7th, and minor 7th chords and introduces a new type of chord, the half diminished chord. This is just one of 66 comprehensive music theory video tutorials at Music School Online (MSO) that unlock the secrets to communicating with other musicians. Utilize these music theory lessons as a reference guide or an all encompassing music education. Learn music theory at your own pace whenever and wherever you want.