Chord progression in the key of D.
The chords are: Dmaj (I), Bmin (vi), Gmaj (IV), F#min (iii)
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
"JazzGuitarWalkSus" groove at 115 beats per minute.