In the 1950s, Meredith Willson's The Music Man became the third longest running musical after My Fair Lady and The Sound of Music: a considerable achievement in a decade that saw the premieres of other popular works by Rodgers and Hammerstein and Lerner and Loewe, not to mention Frank Loesser's Guys and Dolls and Bernstein and Sondheim's West Side Story. The Music Man remains a popular choice for productions and has been parodied or quoted on television...