Colleen 'Cosmo' Murphy is an internationally renowned DJ, radio host, producer, and curator, celebrated for her deep knowledge and passionate promotion of hi-fi sound and vinyl culture. Raised in Massachusetts, Murphy moved to New York City as a teenager, where she quickly established herself in the city’s vibrant nightlife scene. As a protégé of the legendary David Mancuso, she became a core member of The Loft community, learning the art of immersive, audiophile-level sound experiences under Mancuso’s tutelage.

Murphy’s career spans decades and continents, marked by her genre-spanning DJ sets that blend disco, house, soul, and jazz, and her commitment to sharing music in its purest form. She founded the acclaimed 'Classic Album Sundays' listening events in 2010, which have grown into a global movement celebrating the album as an art form and promoting high-quality listening experiences. A respected authority on audio, Murphy has hosted radio shows on BBC 6 Music, Worldwide FM, and Public Radio International, and her voice is regularly heard on documentaries and panel discussions about music culture and audio technology.

A skilled producer as well as selector, Murphy has recorded under monikers including DarkStarr Diskotek (with Ashley Beedle) and Soul Picnic. Her remixes and compilations further demonstrate a curatorial ear honed through decades behind the decks and in the studio. Based in the UK, Murphy continues to tour the world, delivering thrilling DJ performances at leading clubs, festivals, and iconic venues.

Her lifelong advocacy for the joys of communal listening, her infectious enthusiasm, and her encyclopedic musical knowledge have made her an influential figure in the international dance music community.