You should be able to see that the C major pentatonic scale uses all the notes from a C chord, plus a couple of extras. (Image credit: Future) Play through the chord and scale before attempting this ...

Major chords (such as C, D, A, and so on) comprise just three notes: the first, third and fifth notes from their major scales. So, a C major chord uses C, E and G notes. Play through the scale, then, ...

The Byzantine, also referred to as the double harmonic scale, has a formula of R-b2-3-4-5-b6-7 and makes for an interesting alternative to the major scale when soloing over major 7th chords.

6. "Let There Be Rock" From: Let There Be Rock (1977) Geez, Angus, give us a break, will ya? This is yet another extreme example of Young's sonic tension building, with nerve-shattering results.