The last time I spoke to Adrian Utley for the Quietus, back in our very earliest days, it was to discuss his love of camper vans and the great outdoors. Four-and-a-bit years later, and Utley is taking a break from Portishead's recent excellent run of tour dates to apply his musical skills to the countryside that he loves by partnering up to compose a Sonic Journey. Commissioned by sounduk, these have previously seen Shackleton and Vengeance Tenfold teaming up for a meditation for the railway line along the sea front at Dawlish (read the Quietus feature here ), and Micachu's rumination on the walkways of the Barbican. Utley's Sonic Journey is written to accompany a stroll around the ancient trees at National Trust property, Croft Castle in Herefordshire. As well as the 15 minutes of music to go with the walk, Utley's friend and collaboration John Minton has created a film of still shots of the trees so you can undertake the walk in Bognor, Boston or Barry, which can be viewed over at the space The Space . Utley's soundtrack -- spacious, contempletative - seems in parts influenced by much of the early music that he's currently listening to (during our interview he recommends Carlo Gesualdo, "a total cunt from the 16th century"), with deftly plucked guitar starting and finishing things off. There's also thoughtful synthesisers, drones, and gentle, quiet whisper. The beauty of Utley's journey is that it works as an evocative piece of music whether you're amidst