The Upsetters ‎- Blackboard Jungle Dub VINYL LP - Clocktower Records ‎- Blackboard Jungle is a studio album by The Upsetters. The album, originally released in 1973 under artist name "Upsetters 14 Dub", was pressed in only 300 copies and issued only in Jamaica. This was the first stereo dub album, as well as the first to include reverb. Drums - Lloyd "Tin Legs" Adams, Carly Barrett, Anthony "Benbow" Creary, Leroy "Horsemouth" Wallace / Bass - Family Man, Lloyd Parks, Errol "Bagga" Walker / Guitar - Alva Lewis, Valentine "Tony" Chin, Anthony "Sangie" Davis, Barrington Daley / Organ - Glen Adams, Winston Wright, Bernard "Touter" Harvey / Piano - Gladstone "Gladdy" Anderson, Tommy McCook / Melodica - Augustus Pablo / Trombone - Ronald Wilson / Trumpet - Bobby Ellis / Percussion - Noel "Skully" Simms, Uziah "Sticky" Thompson, Lee Perry / Engineers - Lee Perry, King Tubby