Melissa Etheridge, a two-time Grammy Award winner and gay rights activist, will perform on the first night of the week-long cruise March 25-April 1, 2007. More than 1,800 passengers will travel aboard the Holland America's MS Westerdam. Embarking from Ft. Lauderdale, destinations include Key West, Half Moon Cay, San Juan, Puerto Rico and St. Thomas/St. John in the U.S. Virgin Islands.