FORT LAUDERDALE, Fla., July 29 /PRNewswire/ -- Guests are invited to swing, dance, and sway to the sounds of Ellington, Basie, James and Miller as performed by the 15-piece Les DeMerle Orchestra while enjoying the balmy breezes of Caribbean ports onboard MSC Poesia for her 10-night, December 10, 2009 and 7-night, February 27, 2010 Big Band Caribbean cruises.