Electric guitar

Electric guitars were guitars that used electric signals to create sound. A member of the Lorells used an electric guitar. The Seventh Doctor later played with it. (TV: Delta and the Bannermen)

When Rakweed was going to cover the Earth. Clyde Langer used Haresh Chandra's electric guitar to make the same sounds and vibrations as the school bell of the Park Vale Comprehensive School, which had destroyed the Rakweed before. The guitar sound broke the plants' communication methods and neutralised the Rakweed spores. This killed off the Rakweed and saved Luke Smith's life. (WC: Sound)