There are a few bands with the name Defenestration:
Defenestration were a UK metal band from 2000 to 2004, based in Kettering.
They were fronted by female singer Gen Tasker and other members include Jamie Thompson on guitar, Scott Warner (bass), Rob Reeves (guitar) and Kieran Brain (drums). Former members include Stuart Bruce, Stacey Maher & Ben Gordelier. Jamie Thompson has since joined Raging Speedhorn. Gen Tasker has gone on to become lead singer of a new band called Thracia
The band’s first two albums were released on Dreamcatcher Records. Their final release, the mini-album For Us It Ends When We Drown was released on Rising Records.