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Birds heard through bells

I'm very happy to publish a video of this installation piece that Sarah Angliss and I collaborated on a couple of years ago. We used computational methods to transcribe a dawn chorus birdsong recording into music for Sarah's robot carillon:

We presented this at Soundcamp in 2016. We'd also done a preview of it at an indoor event, but in this lush Spring morning with the very active birds all around in the park, it slotted in just perfectly.

If you listen you find that obviously the bells don't directly sound like birds singing. How could they! Ever since I started my research on birdsong, I've been fascinated by the rhythms of birdsong and how strongly they differ from human rhythms, and what I love about this piece is the way the bells take on that non-human patterning and re-present it in a way that makes it completely unfamiliar (yet still pleasing). We humans are too used to birdsong as background sound, we fail to notice what's so otherwordly about it. The piece has a lovely ebb and flow, and is full of little gestures and structures. None of that was composed by us - it all comes directly from an automatic transcription of a dawn chorus. (We did of course make creative decisions about how the automatic transcription was mapped. For example the pitch range we transposed to get the best alignment between birds' and bells' singing range.) And in context with the ongoing atmosphere of the park, the birdsong and the children, it works really well.

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