bˌiːbˌiːsˈiː ɹˌeɪdɪoʊfˈɑːnɪk wˈɜːkʃɑːp twˈɛnti wˈʌn ɪz ɐ kˌɑːmpɪlˈeɪʃən baɪ ðə bˌiːbˌiːsˈiː ɹˌeɪdɪoʊfˈɑːnɪk wˈɜːkʃɑːp tə sˈɛləbɹˌeɪt ðɛɹ twˈɛnti fˈɜːst ˌænɪvˈɜːsɚɹi ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti nˈaɪn.
BBC Radiophonic Workshop – 21 is a compilation by the BBC Radiophonic Workshop to celebrate their 21st anniversary in 1979.