Warmup video for baritones
 
If your warmup just isn’t getting you ready for rehearsal, try this.  Click the link. http://www.jeffiscool.com/numanuma.html.  
Sure, this is advertised as a warmup video just for baritones, but I believe all could benefit.   It contains elements of aerobics and facial expression warmup as well as working on the vocal aspects of barbershop singing. 

Actually, this is the Numa Numa Dance.  You can read about it at 
http://www.nytimes.com/2005/02/26/nyregion/26video.html?ex=1267160400&en=1d48bf539f85dc0e&ei=5090&partner=rssuserlandhttp://www.jeffiscool.com/numanuma.htmlhttp://www.nytimes.com/2005/02/26/nyregion/26video.html?ex=1267160400&en=1d48bf539f85dc0e&ei=5090&partner=rssuserlandshapeimage_1_link_0shapeimage_1_link_1