the beverly hillbillys theme aka the ballad of jed clampett

Major, minor, pentatonic and exotic scales with fretboard positions

Enharmonic chords: C# = Db, D# = Eb, F# = Gb — same pitch, different spelling

Dorian, Phrygian, Lydian and other modes with characteristic tones

Key signatures, relative and neighbouring keys, and their diatonic chords