Chord progression in the key of Eb.
The chords are: Bbmaj (V), Bbmaj (V), Ebmaj (I), Abdom7 (IV)
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
"DixieMarch" groove at 100 beats per minute.