ðə pɚfˈoːɹmənsᵻz wɜː ɹᵻkˈoːɹdᵻd ɪnðə kˈɑːnsɚt hˈɔːl ʌvðə tˈiːvoʊli ɡˈɑːɹdənz, kˌoʊpənhˈeɪɡən, ˌoʊvɚ fˈoːɹ dˈeɪz ɪn dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː.
The performances were recorded in the concert hall of the Tivoli Gardens, Copenhagen, over four days in July 1963.