Noun
A cassette tape containing samples of a musician's work by way of demonstration.
A videotape containing samples of a broadcaster's work by way of demonstration.
Source: en.wiktionary.orgIf you wanna get away with murder, all you gotta do is shoot somebody in the head and put a demo tape in their pocket! 'This is a rap killing! Let's get outta here!' Chris Rock
I grew up doing musical theatre in Orlando, Florida. When I was 14, I just happened to be in the right place at the right time - a deliveryman heard me singing and offered to deliver my demo tape to Sony Music. I was just really lucky. Mandy Moore
I don't even know where to start with The Raging Death of the Easter Bunny Demo Tape. Source: Internet