Listen to three tracks by the Opalio brothers.

Check pictures and tracks from the artist and musician Steve Roden's recent book and double CD

Stream solo music by the Finnish frontman of Kemialliset Ystävät and Tomutonttu alongside excerpts from Anderzén's collaboration with Fonal Records’s Sami Sänpäkkilä.

Check three tracks and accompanying notes from the Tompkins Square triple CD release.

Listen to three tracks from the sludge Metal outfit.

Stream three tracks from the duo's album The Violence, The Violence

Listen to the London based multimedia artist Seb Patane's "400 Sonnets In Reverse, Together".

Listen to two compositions featuring the long string instrument inventor and composer, Ellen Fullman.

Listen to three tracks from Flight Muzik.

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