Mister Rogers makes designs on a felt board. He goes to Negri’s Music Shop. Joe Negri has a new accordion that Mister Rogers tries. With Mister Rogers on the accordion and Joe on the guitar, they play together.In the Neighborhood of Make-Believe, Handyman Negri delivers the accordion that Lady Elaine ordered. She plays very well. Lady Elaine goes to Someplace Else to show off. After she is introduced to Harriett, Harriett tells Lady Elaine that she admires her accordion playing and the she wants to see the Museum-Go-Round. Harriett announces she is a “museum cow.” Back with Mister Rogers, he and Joey play so Mr. McFeely can practice his tap dance for the variety show. Mister Rogers buys the accordion. Mrs. McFeely stops by Mister Rogers’ house to ask him to play for her so she can practice her tap dance.