What even is Deep Listening? Here’s Oliveros, in her 1999 essay ‘Quantum Listening’ (newly reissued as a book by Ignota): ‘listening in every possible way to everything possible to hear no matter what you are doing,’ she writes. ‘Such intense listening includes the sounds of daily life, of nature, of one’s own thoughts as well as musical sounds.’ Or as Laurie Anderson writes in a new foreword, ‘Deep Listening puts experience before everything else.’ It’s ‘inside your head and empathetic. Both focal and global.’ In an age of increasingly passive listening, Oliveros was concerned to rethink sound as a communal form of activity: not merely a one-sided relationship between the performer and audience, but as an ever-expanding project of awareness.