CD Jewel Case Remastered by Manuel Göttsching and released on his own label MG ART. Inventions for Electric Guitar is Manuel Göttschings first solo album. recorded: July-August 1974. The album was written and performed entirely by Göttsching on electric guitar. hence the title. Manuel played his guitar and used a 4 track TEAC A3340. Revox A77 for echoes. WahWah pedal. volume pedal. Schaller Rotosound and Hawaiian steel bar.