Terry Riley : A rainbow in curved air (1969)

Released: 1969

Recorded: 1968

Style: minimalist,experimental,avant garde

Length: 40:17

Label: CBS 

Origin: USA

Foetus : Nail (1985)

Released: October 1, 1985

Recorded: August 7, 1985

Style: industrial rock,avant garde,post punk,experimental

Length: 40:04

Label: Self Immolation/Some bizarre

Origin: Australia

David Tudor : Rainforest (1968)

Released: 1968

Recorded: 1968

Style: electronic,experimental,avant garde,minimalist

Length: 

Label: Mode (1998)

Origin: USA

The Residents : Meet The Residents (1974)

Released: April 1, 1974 

Recorded: February–October 1973 

Style: Experimental, Avant Garde 

Length: 44:25 

Label: Ralph Recs 

Origin: USA,Louisiana

https://www.youtube.com/watch?v=vsGRasyHEEg

Fantomas : Director's cut (2001)

Released: July 9, 2001
Recorded: January 2001
Style: avantgarde,doom metal,noise,experimental
Length:  39:02
Label: Ipecac Recordings
Origin: USA,California





Wild,obscure,extreme,difficult,cult,autistic,soundtrack-y,caustic,provocative,hard,long,hairy,black,red,pervesive,lsd,fbi,cia,jet set,jet jang,trlung tak dhen etc
Accompanied by: Simply a strange feeling
Suck it!