Set of workshop recordings from Corona, located in the wider area of Los Angeles, USA. Read more about the location here. The recordings are available only in audio format. They were made during an International Intensive Training in Nonviolent Communication. If you wish to own a copy of a CD recording, you may be able to find it from Puddle Dancer Press.
Originally available from the Center for Nonviolent Communication, a copy of the recordings is available at MusicBrainz as of this writing (2022)