After reading it, this is not a duplicate of Explicit vs Implicit SQL Joins. The answer may be related (or even the same) but the question is diffe
this is my solution.
SELECT song_ID,songs.fullname, singers.fullname FROM music JOIN songs ON songs.ID = music.song_ID JOIN singers ON singers.ID = music.singer_ID GROUP BY songs.fullname
You must have the GROUP BY to get it to work.
GROUP BY
Hope this help.