While genres like rock or hip-hop rarely use this tag unless a major remix is released later, it remains a standard convention in the EDM world to maintain clarity across the various versions of a single release.
It signifies the initial and most authentic version of the song as the artist first intended it. Why (Original mix)
A version containing all backing tracks and vocals except the lead vocal , essentially used for live performances where the singer performs the lead live. While genres like rock or hip-hop rarely use