Rearrange currently playing track display

There should be an option to rearrange the display of the currently playing song. Either

1. A simple boolean to switch between “`${track} - ${artist}`” and “`${artist} - ${track}`”, or
2. A freeform text field with variables like `${artist}`, `${album}`, `${track}` and other relevant available information (not necessarily in bash style variables)

As a concrete example, I want this to read “Fever Ray - If I Had a Heart”: