Music promo video types on YouTube
Nightcore, 8D audio, lyric videos, and video soundtracks are popular types of music promo videos on YouTube.
Nightcore speeds up music and uses anime-themed visuals.
Compare this to the original track
8D audio pans the audio in 8 directions
To create 8D audio, an MP3 is loaded into software like FL Studio (https://www.image-line.com/flstudio/) then, with the help of plugins, the audio is panned around a central point.
Instead of a music visualizer moving to the beat of the music, the song lyrics are shown as the song plays.
The focus is on the video (like a vlog or an animation) and the music sets the mood or the video is choreographed to the music