Original: While there he met fellow composers Peter Maxwell Davies and Alexander Goehr, who, together with pianist John Ogdon and conductor Elgar Howarth, formed the New Music Manchester group, dedicated to the performances of serial and other modern works.
Simplified: While there he met other young composers like Peter Maxwell Davies and Alexander Goehr. Together with pianist John Ogdon and conductor Elgar Howarth, he formed the New Music Manchester group, which put on performances of modern music, especially music using serialism.