Guy and Madeline on a Park Bench is a giddy, old-style avant-musical
A quasi-documentary portrait of young non-actors striking poses, walking around Boston, hanging out and playing or listening to music, Damien Chazelle’s Guy and Madeline on a Park Bench is a giddy and cannily frugal avant-musical. Beginning when Chazelle, now 25, was an undergraduate at Harvard, and evolving over a period…