Fox's stance comes as Best Buy launches its bid for the UK's music retail crown at the same time as HMV reveals mixed financials that indicate the entertainment market is not quite as rock solid as he would like.

With an offer of around 1,500 music titles in its first UK store, Best Buy head of entertainment Marc Spence has already identified HMV as his "key competitor".

However, HMV's Fox - whose background includes working as managing director of electronics ...