A really lovely project. Insightful, inspiring and intelligent in approach, joyfuy in its execution. Oh and two opposing opinions: It's Nice That being, well, nice http://www.itsnicethat.com/articles/national-gallery-soundscapes and The Guardian being scathing http://www.theguardian.com/artanddesign/2015/jul/12/soundscapes-review-feeble-wrong-headed-national-gallery-worst-idea