Depicts one night in the life of Broadway lyricist Lorenz Hart, when his partner Richard Rodgers premiers a new hit musical “Oklahoma!” done with a new lyricist, Oscar Hammerstein. The Austin, Texas based director Richard Linklater is always trying new things. His latest movie is about the lyricist Lorenz Hart, who paired with composer Richard Rodgers to make 26 Broadway musicals in the 1920s, ‘30s, and ‘40s, featuring many songs that became classics, including “My Funny Valentine;” “The Lady is a Tramp; “Bewitched, Bothered and Bewildered,” and the one he’s made the title of the film: Blue Moon. Blue Moon’s smart,…