Tape music is a form of experimental music created by manipulating recorded sounds on magnetic tape. This technique allows composers to edit, loop, and layer audio, creating unique soundscapes. It emerged in the mid-20th century, influenced by advancements in recording technology and the desire to explore new musical possibilities. Pioneers of tape music include composers like John Cage and Karlheinz Stockhausen, who experimented with the medium to challenge traditional notions of music. Tape music can incorporate various sounds, including spoken word, environmental noises, and musical instruments, making it a versatile and innovative art form.