Abstract: The invention comprises a channel repeat attachment for a tape unit of the type comprising a housing having an opening therethrough for receipt of the channel-change electrodes of a playback device, and a multi-channel tape mounted in the housing for movement past the opening, the tape having a channel-change key portion thereon. The attachment comprises a shield adapted to be disposed in an operative position in alignment with the opening and overlying the tape to separate the tape from the channel-change electrodes, and a connection portion adjoined to the shield for removably securing the attachment to the housing with the shield in its operative position.

Abstract: Disclosed is a magnetic recording tape cartridge assembly for use with conventional eight-track cartridgetype tape machines. The tape cartridge assembly comprises a miniature tape cartridge element engageable with a tape cartridge adaptor unit which is employed to hold and insert the cartridge element into the tape machine. The cartridge element includes an endless loop of magnetic recording tape onto which is recorded a single musical selection of approximately 3 to 4 minutes in length. In the preferred embodiment, the adaptor has a single cartridge receiver end portion including mounting pin members on which the cartridge element is placed and held stationary. The cartridges are interchangeable with the adaptor allowing a single adaptor unit to be used with a plurality of cartridge elements. In a modified form of the invention, the cartridge adaptor unit includes cartridge receiver portions at each end allowing two cartridges to be carried on the adaptor.