Chord progression in the key of Eb.
The chords are: Gbmaj (III), Bbmaj (V), Bbmaj (V), Ebmin (i)
The video is a still image of a music staff with the chord notes
and guitar chord diagrams.
The audio was generated using the MMA: Musical MIDI Accompaniment
"QuickStepHit" groove at 75 beats per minute.