- John Cage/ Empty Words: Wandelweiser Ensemble Schimag(Vo) - Amazon.com Music
John Cage - Empty Words (Silent Solo) (Previously Unissued) - YouTube
John Cage – Empty Words (2011, MP3, CD) - Discogs
Error, Intention, Contingency, Cage – Nonsite.org
Empty Words : Writings '73-'78 by John Cage (1979, Trade Paperback) for sale online | eBay
Quartet: IV. Fast - song and lyrics by John Cage, Empty Words Percussion Ensemble, Sergio Armaroli, Andrea Dulbecco, Maurizio Ben Omar, Elio Marchesini | Spotify