This library consists of sounds of authentic British sirens recorded during a 3 month period in London including while in Covid-19 lockdown. The sirens source vehicles include ambulances, police cars, and fire trucks. Recoding techniques include recording with a spaced pair of 2 DPA 4060’s in DPA BLM6000 Boundary Layer Mount with wind protection as well as following the source with Sennheiser 8060 shotgun when opportunity allowed. As a result, the library offers 48 sounds recorded in 24bit/96kHz format delivered in 64 files with a total runtime of approximately 12 minutes. The sound was edited in RX7 to remove the occasional sounds of birds.