ɪt wʌz kəmpˈaɪld æz ɐn ˈoʊvɚvjˌuː ʌv ðɛɹ wˈɜːk bˈoʊθ ˈoʊld ænd nˈuː, ʃˈoʊkeɪsɪŋ ðə tʃˈeɪndʒᵻz ɪnðə wˈɜːkʃɑːp æz ðeɪ dɪvˈɛləpt fɹʌm bˈækɹuːm sˈaʊnd ɪfˈɛkts səplˈaɪɚz fɔːɹ bˌiːbˌiːsˈiː ɹˈeɪdɪˌoʊ tə fˈʊlflˈɛdʒd ɪnhˈaʊs mjˈuːzɪk kəmpˈoʊzɚz fɚðə hˈoʊl ʌvðə kˌɔːɹpɚɹˈeɪʃən.
It was compiled as an overview of their work both old and new, showcasing the changes in the Workshop as they developed from backroom sound effects suppliers for BBC Radio to full-fledged in-house music composers for the whole of the corporation.