sentences:  Many of Alcoa’s ads can be seen in Etude, a magazine for the musician and pianist, in 1949 and 1950.The typical ad campaign boasted the slogan “stop…lift…listen,” which was asking consumers to stop, feel the light weight of the new piano, and listen to the quality of sound.A brochure, circulated by Alcoa, claimed that some 50,000 pianos had been created containing this aluminum plate by 1949.