Stewarts nieceAmanda Hillis behind the film,My Uncle Martyn.

It will be Stewarts final project after doctors told him he had terminal cancer.

Stewart has spent his life listening.

‘My Uncle Martyn’

Amanda Hill and Martyn Stewart in ‘My Uncle Martyn’The Listening Planet

The sound recordists archive of over 90,000 sounds is now used by his foundation, The Listening Planet.

He didnt just go out to capture sound, he went out to capture truth.

The film will deliver in late 2025.

Zsófia Szemerédy

The producers have approached some of the big names Stewart has worked with for input.

Requests are out with Ricky Gervais and Queen guitarist Brian May.

Jane Goodall will contribute.

Scottish musician Robert Shields, also known as ONR, and who will perform for the films closing sequence.

Hill acknowledges that despite Stewarts renown, the project has not been an easy sell.

Theyre like: Oh, its a nature film, but its about a person?

It just doesnt fit into a standard box.

Thats where I think independent filmmaking becomes so important.