During the Second World War he was a member of the Carl Rosa Opera Company, which gave London seasons in which Allin appeared alongside fellow singers Joan Hammond, Gwen Catley, Heddle Nash, Dennis Noble, Parry Jones and Tudor Davies.
He was a member of the Carl Rosa Opera Company. This was during the Second World War. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Joan Hammond. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Gwen Catley. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Heddle Nash. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Dennis Noble. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Parry Jones. A member of the Carl Rosa Opera Company gave London seasons in which Allin appeared alongside fellow singers Tudor Davies.