Jennifer Walshe on the internet's "invisible literatures", as well as new music from the composer, enlisting generative AI to rethink Kurt Swchitter's Ursonate; Tadhg O'Sullivan consults a "black map" in his latest Cloud of Unknowing; and we listen to the cow who likes butter in Sarah Browne's...

Sound artist and composer, Joseph Young, shares some of his favourite things in watching, listening, reading, tasting and smelling.

For his latest exploration towards the limits of knowing, Tadhg O'Sullivan has been consulting a "black map".