question!!

how do i put music on my profile? i tried searching it up, and pasting different codes which other people claim works, but it somehow doesn't work for me, is there anything i'm doing wrong? here is what i put:

<iframe width="0" height="0" src="https://www.youtube.com/embed/PLbIqFv7GC96u_xpcuIXQiB10NiXIob8Cr//?&;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>