‘Blue Moon’ and the desire to be loved

“Nobody ever loved me that much.”

This, according to Lorenz Hart (Ethan Hawke), is the best line in “Casablanca.” At the beginning of Richard Linklater’s “Blue Moon,” Larry – a diminutive, walking cigar –swirls into Sardi’s, where the afterparty for the premiere of the musical “Oklahoma!” will take place. First, he talks “Casablanca.” Later, he starts ragging on the show.

Lyricist Lorenz Hart was one half of the songwriting duo Rodgers and Hart, the other half made up by composer Richard Rodgers. You probably know him better as one half of the songwriting duo Rodgers and Hammerstein, the most famous team in musical theater history. But before Rodgers and Hammerstein, Rodgers and Hart dominated the musical scene for 20 years, giving us songs like “My Funny Valentine,” “Bewitched, Bothered