APM Pub. 302 Nickel Plated Song Whistle
APM Pub. 302 Nickel Plated Song Whistle: American Song Whistle Made of nickel-plated brass, the American Song Whistle has been popular since the 1920's and has been used in many classical as well as in jazz compositions. Blow air into it while sliding the plunger up and down and the pitch changes. It's a fun and whimsical way to make music. See this whistle featured in the 2003 movie "Seabiscuit". (Metal slide whistle).