Mister Rogers' Neighborhood

Discipline: Trying & Practicing; How People Make Piano Rolls (12x1)

Date de diffusion: Mar 01, 1982

At his Music Shop, Negri demonstrates a player piano and shows Rogers a video on how player piano rolls are made. In the Neighborhood of Make-Believe, an overworked Cornflake S. Pecially (Corny) is trying to make miniature trolleys in addition to rocking chairs and pretzels.