Single, released 18th May 2009.

Tracklisting:
1. When The Sirens Sound 2. When The Sirens Sound (Russ Chimes Remix) 3. When The Sirens Sound (Don Diablo Remix) 4. When The Sirens Sound (Geek Chic Soundsystem's OMM mix) 5. When The Sirens Sound (Hot Pink Delorean Remix)
6. When The Sirens Sound (GTRONIC Remix)

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