The technique can be described as an extended technique.

He wrote several pieces for these and other players, often using extended techniques.

Shred guitar is a genre involving a number of extended techniques.

She has been working for years on her extended vocal techniques, experimenting with her voice and presentation.

He is known for developing dense extended techniques on electric guitar.

Of course, you don't do an extended technique 19 times.

His original works for these instruments feature numerous extended techniques.

He worked with another pioneer in the field of extended techniques, David Tudor.

Musicians in free improvisation have also made heavy use of extended techniques.

Often using extended technique, "prepared" instruments or ordinary objects, most of the members also use live electronics to process their sounds in real time.