Bryan Kearney and John O’Callaghan unite under Key4050, naming their second official track ‘Gianfranco’ Bryan Kearney and John O'Callaghan confirm their Key4050 alias and name their deliciously old-school debut track 'Gianfranco' Related Posts: John O’Callaghan reprises Joint Operations Centre moniker for a new heater, ‘Behind The Silence’ Premiere: John O’Callaghan ft. Stine Grove – Our Destiny
