“Glee” preview: Throwdown October 14, 2009 Channel Guide Staff Comedy Comments Off on “Glee” preview: Throwdown Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)Click to print (Opens in new window)For those of you who can’t wait for tonight’s episode of Glee, titled “Throwdown,” here’s a preview clip of the cast covering “Keep Holding On” by Avril Lavigne. Don’t forget to check this site tomorrow for a new post on “The music of Glee.”