you can search your music on https://freemp3s.org/

If you want to use your music from spotify, you can use these websites to download your music :
https://spotimate.io/
https://spotidownloader.com/en19

If you want to use your music from YouTube you can use these websites :
https://ytiz.xyz/
https://shailen.dedyn.io/racoon/

If you want to use your music from Deezer, you can use https://ytiz.xyz/