This is "Home Base." Most acoustic songs in folk and country revolve around the keys of C, G, D, A, and E.

To effectively use these scales, follow this 4-step routine:

You will know exactly which notes sound good over any chord progression.

: The "essential" first scale for most players. It is frequently used in folk, blues, and rock solos due to its simple 5-note structure. Major Scale (Ionian)