D Rock 'n' Roll — Dobro

D Rock 'n' Roll runs 6 notes to the octave. Below it is laid onto this chair's GBDGBD neck with every D marked, because what you need mid-break is not the pattern — it is where the root is when the chord changes under you. D is one of the four keys a circle calls, so this one comes up.

Major pentatonic with a b3 rubbed against the natural 3 — bright and bouncy with a bluesy smirk. Playful, swinging, and built for boogie riffs.

Heard in: Fifties rock, rockabilly, boogie-woogie, Chuck Berry-style riffs, and jump blues.

A dobro break is slid, not fretted: the bar travels to each note, so a scale here is a list of places the bar may stop on the way — and on open-G strings, the stops that ring against an open string are the ones the melody keeps coming back to.

Play it slowly against the audio until the shape stops being a shape, then take it to a tune in D and let the melody pick its own notes out of it.