fˌɜːðɚmˈoːɹ, kˈɑːnsɚt fˈʊɾɪdʒ ʌv lˈɛd zˈɛpɪlˌɪn pɚfˈɔːɹmɪŋ æt ðə ɹˈɔɪəl ˈælbɚt hˈɔːl dʒˈænjuːˌɛɹi nˈaɪn, nˈaɪntiːnhˈʌndɹɪd sˈɛvənti, ɔnðə lˈɛd zˈɛpɪlˌɪn dˌiːvˌiːdˈiː ɹᵻlˈiːst ɪn tˈuː θˈaʊzənd θɹˈiː, ðə fɹˈʌnt ɹˈoʊ kæn biː sˈiːn hˈɛdbæŋɪŋ θɹuːˈaʊt ðə pɚfˈoːɹməns.
Furthermore, concert footage of Led Zeppelin performing at the Royal Albert Hall January 9, 1970, on the Led Zeppelin DVD released in 2003, the front row can be seen headbanging throughout the performance.