AIR/EAR is a collective installation of radio and sound art planned for Santa Fe, Argentina by Rubén Marino Tolosa. The installation will "show the different ways in which the radio art grows", and invites submissions from artists to participate. Audio of between 5–15 minutes can be submitted as MP3, WAV, or on cassette, of field recordings, conversations, noise, or radio recordings, along with an explanation or thoughts on the recording. Sound quality is not important. Send submissions to firstname.lastname@example.org by 1 June. For a postal address and more info head here.