The register
The register lists YB Music Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as YB Music Limited, number 13006015, incorporated 2020: 6 years of filings behind the name. The registered office is at 2nd Floor Northumberland House, 303-306 High Holborn, London, WC1V 7JZ, WC1V 7JZ. By its SIC codes the business is in it, software and media. It has traded under other names before, including B.R.A.T Records Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for YB Music Limited's own careers page and the job boards, and the answer changes with the season and the order book.