Should someone from the "old ones" have the following trick and help me further, my eternal gratitude will be his part .

In 1982, Supreme (GB) released "Gerald Kosky's Monsieur Cassette" in collaboration with Fedko Magic Company (USA).
You got an cassette tape and 4 pages of explanation.
It was an almost self-working trick where what the viewer had to do with a deck of cards, was ordered by a voice from the cassette tape.
But ... of course I lost that cassette tape.
The description only shows the setup of the cards, but not what the spectator has to do.
Little chance, but if someone has still that tape and could me give the handlings that the spectator had to do …

For our young friends: what a "cassette tape" is really too difficult to explain. Your grandparents and I put that in a "machine" and then there came a lot of noise and sometimes a bit of music

Click here to view attached image.