Straight No Chaser is celebrating their new EP, “Six Pack: Volume 3” with news of a major U.S. tour. “The Speakeasy Tour” will make a stop at the King Center on November 15. “Six Pack: Volume 3” sees the world famous a cappella group cracking open a number of contemporary pop hits and rock classics, highlighted by “Sweet Dreams/HandClap” – their one-of-a-kind mash-up of Eurythmics’ “Sweet Dreams (Are Made Of This)” and Fitz and the Tantrums’ “HandClap” – as well their show-stopping “Beyoncé Medley.”