View credits, reviews, tracks and shop for the Vinyl release of "Demonstration Tapes" on Discogs. Shop the Belgium Vinyl release of Demonstration Tapes by UK Subs at Discogs. A helping of U.K. Subs rarities on this 21 tracks collection - culled originally from vocalist Charlie Harper's personal archive and featuring demo versions. UK SUBS. This is a 21 track revamp of a compilation originally issued on vinyl in (and reissued as “Raw Material” four years later). U.K. SUBS ''Demonstration Tapes/Raw Material'' ( UK press, 5 bonustracks, AHOY SUBS CD4, new, sealed) (CD) (UI). Find many great new & used options and get the best deals for Demonstration Tapes / Raw Material by Uk Subs (CD, ) at the best online prices at eBay! Details about UK Subs Demonstration Tapes LP KOMA Belgian UK PUNK Rock 84 Compilation. Popular Item 1 viewed per hour. UK Subs Demonstration Tapes. Album information for Demonstration tapes: Raw material [+ bonus tracks] from U.K. Subs. Label: Captain Oi! Release date: Quantity: Add to cart. MORE U.K. SUBS. UK SUBS. PARTY IN PARIS. T-Shirt. (PHM PUNK). £ VIEW. UK SUBS. TOMORROWS GIRLS. T-Shirt UK SUBS. DEMONSTRATION TAPES. Compact Disc. (CAPTAIN OI).