Magnetic recordings and playback (on a wire) was invented by

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Valdemar Poulsen of Denmark is credited with inventing magnetic recordings and playback on a wire in 1898, which he called the Telegraphone. Alexander Graham Bell is known for inventing the telephone, Fritz Pfleumer invented magnetic tape recording, Les Paul contributed to the development of the solid-body electric guitar and multi-track recording, and Thomas Edison invented the phonograph.

Magnetic Recordings and Playback (On a Wire) Was Invented by