Abstract: A multi-piece piano cover which can include a lid cover, a rim cover, and a keyboard cover. The cover is adapted to protect a grand piano while the piano is in use and when the piano is not in use. The piano lid can be opened and the keys may be played while the protective cover is in place. The lid cover is adapted to cover the lid upper surface and can be fit to the lid be receiving the lid front in a lid cover pocket portion and by securing the cover to the lid edges using elastic. The rim cover is adapted to drape over the piano rim while the piano lid is either open or closed. The rim cover can be secured to the piano with straps extending across the piano.

Abstract: A removable unitary keyboard protector with attachment means adaptable to a broad spectrum of keyboard instruments. The protector includes a rear section with fastening means comprising fastening wedges adapted to conform to the space in between the black keys of the keyboard thereby attaching the keyboard protector thereto, a central cover position, and a frontal section fashioned to protect the keys and keyboard mechanism from contaminants or destructive forces to which such keyboard is accidentally or intentionally subjected.

Abstract: A mechanism is disclosed for providing safe locking of the lid of an electronic musical instrument.

Abstract: A removable dust cover for the stepped keyboard of an electronic organ and means for latching and locking such cover in place between the base, sidewalls and back top member of the console or cabinet confining such keyboard and the use of transparent, tinted and/or colored rigid plastic material fit snugly to the cabinet for protecting the keyboard from contaminents or destructive forces to which such keyboard is accidentally or intentionally subjected.