Another 37 HMV stores are to be shut, putting 464 jobs at risk, according to the struggling retailer's administrators, Deloitte.
The 37 stores - which include several based at Heathrow airport - takes the total of defunct stores to 103, following an announcement on 8 February to close 66 shops.
No fixed date is set for the closure of these stores which will continue to trade in the meantime, but the doors are expected to be shut within six weeks.
Nick Edwards, joint administrator, said in a statement: "As part of our ongoing review of HMV's financial position, we have undertaken a further review of the store portfolio and have identified an additional 37 stores for closure. This step has been taken in order to enhance the prospects of the restructured business continuing as a going concern.
"We are extremely grateful to the staff for their continued strong support and commitment during an understandably difficult period. All other key stakeholders including suppliers and landlords remain supportive and we appreciate their ongoing assistance."
The additional 37 stores identified for closure are:
Ashford, Basildon, Bolton, Cheltenham, East Kilbride, Enfield, Folkestone, Glasgow Argyle, Gloucester, Grimsby, Hatfield Galleria, Heathrow T5 Departure Level, Heathrow Terminal 1, Heathrow Terminal 3, Heathrow Terminal 4, Hemel Hempstead, High Wycombe, Isle of Wight, Lancaster, Leadenhall, Mansfield, Middlesbrough, Newbury, Newcastle Silverlink, Newport, Nuneaton, Redditch, Salisbury, Scarborough, Southport, Stafford, Staines, Stockport, Swindon, Taunton, Torquay, Woking.
A list of the original 66 casualties can be found here.