NancyFx/Nancy — pull request #1599 by DavidHoerster (2014-07-08 18:38:24+00:00)
Title: Issue #1589 update MP3 mime type to be IANA standard "audio/mpeg"

Updated MIME Type for MP3 per IANA spec for MP3 file extension

http://www.iana.org/assignments/media-types/audio/mpeg