WHY WONT MY MUSIC WORK UGHHH

hey can someone help

i try to put music in with this:

 <iframe width="0" height="0" src="https://www.youtube.com/embed/ENTER SONG HERE//?&;amp;;autoplay=1&;loop=1&;controls=1" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" loading="lazy">

</iframe>

and it wont WORKKK

hello help 

like i but the thing after the = like this =nlemlNh8LPY when the link is like: https://www.youtube.com/watch?v=nlemlNh8LPY&ab_channel=DeadbeatNightlife-Topic

hello so

why wont it work do some yt vids just not work or