Production credits can vary but generally adhere to the following:
Primary Artist
Refers to the main artist that performs on the track/album.
Usually appears with “Artist” or "Performed by."
Featured Artist
Refers to a guest feature or secondary performer on the track/album.
Usually appears with "Performed by" and/or occasionally “Composer.”
Producer
Refers to who is responsible for the sound recording and production of a track (this can vary depending on the genre, artist, or track).
Usually appears with "Produced by."
Lyricist
Refers to who writes the lyrics on a track.
Usually appears with "Written by."
Composer
Refers to who wrote the music on a track.
Usually appears with "Written by.”
Remixer
Refers to who remixed the original work to create the new track.
Usually appears with "Remixed by."