Learn about the different airships that make up Goodyear's current Blimp fleet â including the new Wingfoot Two, Wingfoot One and the Spirit of Innovation.
Noun[edit] concertina â(plural concertinas) (music) A musical instrument, like the various accordions, that is a member of the free-reed family of musical instruments, typically having buttons on both ends.
Concert pitch refers to the pitch reference to which a group of musical instruments are tuned for a performance. Concert pitch may vary from ensemble to ensemble, and has varied widely over musical history. In the literature this is also called international standard pitch.