“I’d been getting up earlier and earlier and enjoying that special period when it feels like there are very few people awake", says Martin.

"A conversation with my daughter was the starting point; and I’d wanted to collaborate with Laura Jurd [trumpet and tenor horn] for a while. The sound of the sun makes me think of brass”.

Designed be taken with you on headphones, Walking Home is a series of sound walks created during lockdown for BBC Arts and Arts Council England’s Culture in Quarantine