ZZ Top drummer Frank Beard has been diagnosed with pneumonia.  Unfortunately, this has resulted in the band canceling all tour dates through August 20th.  But, ZZ Top promises that the show must go on!  Beard is resting and recovering, and ZZ Top and Cheap Trick plan to begin their tour on August 21st in Woodinville, Washington.  Both bands are set to rock Chicago on Saturday, September 7th at Tinley Park’s Hollywood Casino Amphitheatre.