In a traditionally slow week for music there are a few bright lights. My Morning Jacket plays DAR Constitution Hall on Wednesday night and Jimmy Buffet, if you can get tickets.

Mr. Buffett sets up Camp Margaritaville at Nissan Pavilion tonight and again on Monday night (8 p.m. each night). After arriving in Nashville in 1969, Jimmy made two uncelebrated country records and an obscure soundtrack release that were all buried by the industry and fans alike.

After retreating to Miami for a gig that never materialized, Jimmy Buffett's wrong turn turned out to be an auspicious move of a lifetime. The mystics say that many times it's...