I have few details about this short-lived band. The Third Light Trench Band started in 1971 in Mark Costigan's garage with a couple of dodgy Waltons second hand guitars, some cardboard boxes and saucepans for drums, and part of a public telephone as a microphone, all amplified through Mark's brothers film projector. Slowly they acquired electric guitars, amps and a proper drum kit, and when Mark recruited Colman Bowers the band's Saturday rehearsals moved to the garage of the Bowers family home in Mount Merrion.
The Third Light Trench Band later shortened their name to The Trench Band. They were influenced by Cream, and Eric Clapton in particular, and very impressed by Dublin's own Skid Row. They covered a variety of mostly blues artists such as Santana ('Black Magic Woman'), The Stones ('Little Queenie', 'Sympathy for the Devil'), and Cream ('Badge') as well as originals such as Mark Costigan's 'Cup Of Tea Blues'.
They supported Supply Demand & Curve on at least one occasion in 1973. They went through a rough patch in late 1973, when Eamon O'Sullivan left the band and joined Aton. His replacement was probably Garvan Gallagher (ex Sensory System). Paul Cran replaced original drummer Billy Igoe at some point. They band split circa 1973-74.
Mark Costigan was later in Medium Wave Band and Stepaside. Garvan Gallagher was later in Metropolis and the Fleadh Cowboys, as well as being involved many recording sessions.
Eamon O'Sullivan currently plays in a band in London called The Blow.
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