Guess The Genre #1892

reeltoreelsonotape1957audioshow reeltoreelomegatapedemo
reeltoreeldokorderstereodemotape reeltoreelampexdemo
reeltoreelsonyquadradial4track reeltoreelakai4track
reeltoreelteacdemontape reeltoreelrealistic4channeldemo
reeltoreelbelcantostereodemo reeltoreelunitedstereodemo4track

Answer: Reel To Reel Demo Tapes - Next is Guess the Genre #1893

Or, I don't want to guess - Show Me A List