Ex Hex – Waterfall Posted by jayne k on October 17, 2014 Posted in: Video. Tagged: Ex Hex, Mary Timony, Song of the Day. Leave a Comment Ex Hex is the latest project from Helium veteran Mary Timony. Here is their new video. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)