Ringtone Maker allows for the creation of a custom ring tone based on an existing music file. https://www.microsoft.com/en-us/store/apps/app/9wzdncrfhvdm?tduid=(8a78389ddb73b90a88927085f498a3c6)(256380)(2459594)(TnL5HPStwNw-5knLm.VO2OSJWRFI4cBKCQ)()