This is a jewellery designer and craftsperson, not a musician or music supplier. The evidence shows EC One creates bespoke ethical jewellery handmade in London, specialising in engagement rings and custom pieces designed with clients and crafted in their workshop. They offer free consultations to discuss bespoke designs and provide jewellery repairs. Located on Exmouth Market in Islington, they operate Monday to Friday 10am to 6pm and Saturday 10:30am to 6pm. However, this business does not supply music services for events.