Listen to a compilation of tracks selected and introduced by Bob Ostertag, author of this month's Collateral Damage article on giving away his back catalogue online and how the web is changing the way we listen to music.

Listen to a selection of tracks from The Wire's Office Ambience for August 2011

Listen to three tracks by UK Bass's mystery man

Listen to three tracks by the veteran folk rock troubadour

Stream "Constant Index (Actress Violet Mix)"

Listen to tracks from the collective's recent Totem Three album

Stream music from the Dorset based Doom trio

Stream tracks by the German outfit channeling early Krautrock jams

Listen to music from the French Black Metal outfit

Listen to two tracks from the Yeoville, Somerset duo of Kek-w and Farmer Glitch

Listen to the duo's Demiurge album

Listen to tracks from a new collection looking at Augustus Pablo's digital productions, 1986–1994

Listen to recordings by the artist and his cohorts, made with Keszler's large scale sculptural installation/instrument.

Listen to four tracks by MMM and Erik Wiegand aka Errorsmith

Stream an excerpt of the collaboration between John Wall and poet Alex Rodgers.

Listen to a selection of tracks from The Wire's Office Ambience for July 2011

Listen to tracks from John Maus's new album We Must Become The Pitiless Censors Of Ourselves.

Listen to a selection of tracks by Mac, presenter of WFMU's Antique Phonograph Music Program, broadcast every Tuesday evening 8–9pm (EST).

Listen to the unedited pirate tape recordings featured in Michael Finch and Rollo Jackson's Brief History Of Grime Tapes on Adventures In Modern Music 2 June 2011.