When Bob Dylan sold the rights to ''The Times They Are A-Changin''' to an accounting firm for use in one of its commercials, you could have cut the irony with a knife. Dylan devotees were shocked: Not since Nike used the Beatles' ''Revolution'' had fans felt so, well, violated. But now that the floodgates are open, it's only a matter of time before Mr. Tambourine Man starts hawking his other tunes. Below are some endorsements he might consider:
''All Along the Watchtower'': for the Jehovah's Witnesses
''It Ain't Me Babe'': for E.P.T. home pregnancy test
''Forever Young'': for Oil of Olay
''Knockin' on Heaven's Door'': for the American Association of Retired Persons
''Gotta Serve Somebody'': for Denny's
''When I Paint My Masterpiece'': for Dutch Boy paints
''It's Alright, Ma (I'm Only Bleeding)'': for Tampax
''Blowin' in the Wind'': for The Weather Channel
''Lay Lady Lay'': for Sealy Posturepedic.
