Tune submission not working on Safari

It doesn't accept my tune Duron Spiralis (Scratch 

Mix)

https://open.spotify.com/track/2TNKKO1tx393tLaVRPdNeH

I'm using Safari on a Mac. The window asked me to paste in the tune, then when I do the window closes and it stays not eh same page. No other button I can see to push.