ˈɑːɹɾɪsts sˈʌtʃ ɐz kˈiːθ tˈɪpɪt, ˈɛvən pˈɑːɹkɚ, dʒˈɑːn stˈiːvənz ænd dʒˈɑːn sɚmˈæn hæv lˈɔŋ hˈeɪld ðˌɛm æz tɹˈuː paɪənˈɪɹz ænd ɐ mˈæsɪv ˈɪnfluːəns.
Artists such as Keith Tippett, Evan Parker, John Stevens and John Surman have long hailed them as true pioneers and a massive influence.