Original sentence: OTT were Niall O Neill, Glen Clarke, Alan Fitzsimons, and Adam Lambert.They were a short lived 4-piece Irish boyband of the late 1990s who released one album This One's For You in 1997
Edited sentence: Cox   had left the band previous to its split.OTT were Niall O Neill, Glen Clarke, Alan Fitzsimons, Keith Cox and Adam Lambert.They were a short lived 5-piece Irish boyband of the late 1990s who released one album This One's For You in 1997