Discover releases, reviews, credits, songs, and more about The Hafler Trio - "BANG" - An Open Letter at Discogs. Complete your The Hafler Trio collection. Find album reviews, songs, credits and award information for Bang! An Open Letter by The Hafler Trio on AllMusic - - Bang!, the first Hafler Trio album. Bang! - An Open Letter, an Album by The Hafler Trio. Released in May on Doublevision (catalog no. DVR 4; Vinyl LP). "Bang!" - An Open Letter, an Album by The Hafler Trio. Released in on Touch (catalog no. KUT 1; CD). Genres: Sound Collage, Plunderphonics. The Hafler Trio - Bang! An Open Letter - Music. SIDE A. Supressed Noise; Inherent Agression; All Largely Propaganda; A Sound & Colour Analogy; Acoustic Lens Fascimile; BANG! The Morality Of Sound. Again. by The Hafler Trio, released 15 July Artwork Info. Artwork title: The Hafler Trio, Bang - An Open Letter poster; Artist name: Giles Dunn; Date created: ; Classification: printed. Music Reviews: Bang! - An Open Letter by The Hafler Trio released in Genre: Sound Collage. Album information for,"Bang!"- an open letter from The Hafler Trio.