Chord progression in the key of A.
The chords are: Fmaj (VI), Dmin (iv), Bdim (iiº), G#dim (viiº)
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
"JazzGuitar3Walk" groove at 105 beats per minute.