I actually considered making a similar change. I wanted to move the list to a div on the left side of the screen using css flexbox and use another div on the right to display the player. Using jQuery, I would then load the player into the div on the right anytime an album folder is clicked from the list on the left (without reloading the whole page). I also wanted to add playlists and make it so individual songs could be added and removed from the playlists. I just haven't gotten around to doing...
I actually considered making a similar change. I wanted to move the list to the left side of the screen using css flexbox and use another div on the right to display the player. Using jQuery, I would then load the player into the div on the right anytime an album folder is clicked from the list on the left. I also wanted to add playlists and make it so individual songs could be added and removed from the playlists. I just haven't gotten around to doing all that yet, haha.