Beauty is Its Own Reward.

Rock musician Marshall Crenshaw. According to The New York Times, many critics have ranked Crenshaw"among the finest rock artists of the last dozen years." Now he has written a book. It's a reference guide to Rock 'n' Roll in the movies ("Hollywood Rock" HarperPerennial). According to his longtime bass player Graham Maby, Crenshaw has an encyclopedic knowledge of rock music. And he knows about the rock and roll movie genre from first-hand experience. He played Buddy Holly in the 1987 movie "La Bamba" about musician Ritchie Valens.

Singer, songwriter, guitar player, Dan Penn. Penn has written soul music classics--"Do Right Woman," "Cry Like a Baby," "Sweet Inspiration," "I'm Your Puppet," for example. His compositions have been made famous by the likes of Aretha Franklin, James Carr, Percy Sledge, Solomon Burke and Otis Redding. Penn left his tiny hometown of Vernon, Alabama when he was sixteen. . . a white kid, singing like Ray Charles and in love with black music.

TV critic David Bianculli previews the third installment of "Prime Suspect." It will air on PBS tonight. Helen Mirren stars as Detective Chief Inspector Jane Tennison. "Prime Suspect" is part of PBS's anthology series "Mystery."