Simplify the following text for a Grade 6 native English-speaking person.
Original: They received little significant exposure , however , until six months later , when they released their second single , `` Latchmere '' , the subject of which is the wave machine at the Latchmere Leisure Centre in Battersea , South London , on Fierce Panda Records in April 2006 .
Simplified: The song was about the wave machine at the band 's local Latchmere Leisure Centre in Battersea , south London . It was released on Fierce Panda Records in April 2006 .