Prince tributes punctuate Jazz Fest performances

NEW ORLEANS - Impromptu tributes to Prince punctuated the opening day of the New Orleans Jazz and Heritage Festival.Strains of Prince's "Let's Go Crazy" wafted over the crowd from one stage Friday morning. On another, local favorite Wanda Rouzan noted the pop music icon's Thursday death, and that of New Orleans writer, performer and record producer Allen Toussaint, who died in November.Later, on still another stage, Cowboy Mouth lead singer Fred Leblanc, mentioned the passing before launching in