TONIGHT: WSIU's Acoustic Nature Hour Christmas Special By Kevin Boucher • Dec 7, 2017 TweetShareGoogle+Email Listen Listening... / 1:25 A reminder that WSIU's annual "Acoustic Nature Hour Christmas Special" will air tonight - Thursday December 7th - at 8:00PM. Here is a sample from tonight's program. Tags: HolidayTweetShareGoogle+EmailView the discussion thread.