You're about to listen to a BBC podcast, but this is about something else you might enjoy.

My name's Katie Lecky and I'm an assistant commissioner for on demand music on BBC Sounds.

The BBC has an incredible musical heritage and culture and as a music lover, I love being part of that.

With music on sounds, we offer collections and mixes for everything, from workouts to

helping you nod off, boogie in your kitchen, or even just a moment of calm. And they're all

put together by people who know their stuff. So if you want some expertly curated music in your

life, check out BBC Sounds. This is the BBC.

Hello, you might walk past them every day.

They might be in your garden or visible out of your window.

But did you know this?

You and the tree in your backyard come from a common ancestor.

A billion and a half years ago, the two of you parted ways.

But even now, after an immense journey in separate directions, that tree and you still share a

quarter of your genes. Richard Powers reading from his Booker Prize nominated epic,

The Overstory, a love letter and eulogy to the planet's lungs.

Also joining me under a beautiful copse of oak trees on Hampstead Heath,

a novelist and nature writer Melissa Harrison,

and Jessica J. Lee, author and environmental historian,

because today on Open Book,

we're devoting the program to the relationship between the natural world and the written word.

Welcome everybody. Now, it strikes me that I sit here thinking there's some trees I can hear what I think is an acorn falling.

The ground's quite hard. The BBC doesn't run to chairs. They're making us sit on the ground. But you all are surrounded by a text. You can read

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