Chord progression in the key of F.
The chords are: Abmaj (III), Bbmin (iv), Gdim (iiº), Edim (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
"BossaNova2Sus" groove at 105 beats per minute.