This is a thing specifically in the contemporary Christian music industry, so that churches can pick-and-choose parts from the original song to use as backing t

This is a thing specifically in the contemporary Christian music industry, so that churches can pick-and-choose parts from the original song to use as backing tracks for live performance. See e.g. https://www.multitracks.com/songs/Hillsong-Young-And-Free/This-Is-Living/This-Is-Living/multitracks/ https://www.multitracks.com/songs/Hillsong-Young-And-Free/Th...