The sounds of a small boat on the tidal Thames and the calls on its two-way radio.

Relax with a calming mix of music and natural sounds. Featuring recordings of spring birdsong in Bath, Leamington Spa, Gloucestershire, and the island of Mauritius, sent in by Radio 3 Breakfast listeners Colette Wilson, Anthea Asprey, Judy Bailey and John Fenner.

Stockholm-based artist Milo Lavén reveals the hidden world within slowed-down sounds.

Relax with a calming mix of music and natural sounds, from the Fens to the Scilly Isles via St Albans and Shaftesbury. Featuring recordings of birds, frogs and horses made by Radio 3 listeners Susie Nicholls, Tom Perrett, David Learner and Stuart Macer.

City life and moments of calm – a sound portrait of Riley Square in Coventry, recorded with artists Georgiou & Tolley.

Relax with a calming mix of music and natural sounds, from Kenya to New Zealand via Lancashire and the Cotswolds. Featuring recordings made by Radio3 Breakfast listeners Cathy Tattersfield and Josh Clarke, and BBC Natural History recordists Trevor Gosling and Nigel Tucker.

The sounds of energy generation across the industrial heart of Northumberland.

Relax with a calming mix of music and natural sounds. From midwinter on the English coast to the floodplains of Central Brazil via an Oxfordshire canal and a Somerset millpond, this month's mix focuses on birds.

Includes listener recordings made by Michael Bawtree and Paul Miles, BBC Natural History Unit recordings from Tim Bevan and Paul Reddish, and several made by sound recordist Chris Watson.

Tokyo-based DJ and broadcaster Nick Luscombe explores the sound of winter in Japan.

The sounds of the cosmos revealed through the sonification of astronomical data.