How is this sound produced?

Hello,

I wonder how the sound from 0:00 to 1:00 is produced on the piano.
Schnittke uses the term con amplificatore which means with amplifier. It almost sounds like some gamelan instruments.

Thanks!

I think it's a prepared piano, apart from amplified.

19 hours ago, Luis Hernández said:

I think it's a prepared piano, apart from amplified.

 

I am sure that it is a prepared piano, but how do you prepare the piano so that it gives this sound?

This is difficult to know if the composer didn't explain it. 

John Cage (the father of prepared piano) left detailed instructions about what object had to be inserted in every chord, even at what point (length).

The sound of the piano here at the beginning is homogeneous, so I think it could be some large object put on the strings (metallic stick)...

I'v seen many different techniques: ping-pong balls left free over the strings. The bowed piano is also beautiful.

Try glass/cermamic cups

Hi everyone ! In my ears sounds like something metalic... i am not sure... I totally agree with @Luis Hernández & @Youngc it migh be something like a a prepared piano, apart from amplified, or glass/ceramic cups... or xylophone? Very tricky sound indeed! 🙂

Quoted from Wiki: 

"The piano is prepared by inserted coins between the strings in its upper register as well as being electrically amplified creating a ‘church bell’ sound". 

So the "amplifier" refers to the electrical amplifiers.

But the source is in a book and I have no access to it. 

I agree with @HoYin Cheung, The way I've heard this sound created was with coins between strings. Different placement of the coins creates different overtones and therefore different tambres.

Cool piece!

Gustav Johnson

i think that sound possible to get with some plugins at postproduction