released singles or not they not are official singles the format of the tables of artists discography as lead artist are singles with music video and the others are in other section because not are official singles is like the format 'song featuring artist name ' the name song is up and the feauturing is small down of the name song catch the idea example swift's superman song are released single but not have music video this should in other section this format is applied to all artist discographies also the songs are released to promote the grande's ep every tuesdays