Get Credential for an mp3 url

Goto this webpage [login to view URL] Cliick play button, now you get below html code. But url([login to view URL]) is src is not playable directly in chrome, its looking for username/password. Where as clicking the play button audio is played. Degub the site and get 100% working src url with credential. Here I don't required any script, all I need is correct url to play the mp3 [login to view URL] this url [login to view URL] <audio controls="" autoplay="true"> <source src="[login to view URL]"> </audio>