Ubuweb – A huge online resource for all things Avant-garde. Curated by the Poet Kenneth Goldsmith; it features Audio, Video and Digitised print media.
Free Music Archive – Avant-Garde section of the internet’s largest free music library. Tracks have various Licencing conditions and it can take a lot of wading to find the gems.
The Apres-Garde – A detailed history of the post war Avant-Garde
The Avant-Garde project – A digitised library of Electroacoustic and modern classical works. All presented with original Liner notes and available for download.
Mixcloud – Home to [The Present Continuous Mix] and many other excellent collections of out there sounds.
Badd press – Keep up to date with developments in the new Avant-Garde
Europeana – Blog and Archive of European art
The Hum – Eclectic take on music, art and literature; with a focus on activism
The Free Jazz Blog – Does what is says on the tin
Radio and Podcasts
Resonance FM – A London based Radio station which also live streams to the rest of the world
Resonance Extra – A sister station to the above, often featuring even more experimental and lesser well known artists
Unexplained Sounds – Weekly sound art and experimental music mixes curated by Italian Artist, Sonologyst
Phantom Circuit – UK based, long running weekly mix of experimental sounds
Destination Out – Net label with a focus on free-jazz.
Chant Records – New York based label with an eclectic and prolific output.
Bastakiya tapes – UAE based label putting everything from Jazz to Noise to IDM.
Unexplained Sounds – Net label off-shoot from podcast of the same name; excellent albums survey the underground scene in various countries.
Touch – Home to many artists who explore experimental approaches to sound.
Ghost box – The label for UK Hauntology.
A Year in the Country – A project exploring all things Hauntology and realised in the form of a series of books alongside some fantastic music.
12 tone matrix generator – Among other resources for the composition of modern classical
Teoria – Music theory reference site, including tutorials and exercises
Hainbach – How-to lessons in Electroacoustic composition and performance from the affable German composer
Amulets – Youtube home of the Portland based experimental musician. Includes advice on tape loops and cassette player conversions.