Examples of this approach include using radio static for an Emmy nominated film about child poverty in the USA, making music from prime numbers with Oxford's Simonyi Professor Marcus Du Sautoy, recording fists striking the human body as a drum for a C4 series on gang violence, sequencing car parts for Chevrolet, sonifying climate change for The Serpentine Gallery and creating a soundtrack out of guns for Amnesty International. Perera has been released worldwide as Lo Freq alongside Cinematic Orchestra, Mark Ronson and Matthew Herbert. His recent writing collaboration with Lubomyr Melnyk for his album Rivers and Streams on Erased Tapes Records received five stars in The Guardian with critical acclaim around the world.