iPull is a very handful menubar utility that will let you download videos from most social/cloud services. Optionally, you can set it to extract the audio track only and add it to your music collection. Just paste the video URL and press "Enter".
What's new in version 1.0
ReleaseJune 10, 2015
Date AddedJune 10, 2015
Operating SystemsMacintosh, Mac OS X 10.8, Mac OS X 10.9, Mac OS X 10.10