ɪnðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti z, dˈʌfɹɛsni bɪɡˈæn tə fˈɑːloʊ ðə pɹəɡɹˈɛsɪv ɐmˈɛɹɪkən pˈɑːp ˈɑːɹt sˈiːn ɪŋklˈuːdɪŋ dʒˈæspɚ dʒˈɑːnz, ɹˈɑːbɚt ɹˈaʊʃənbˌɜːɡ, ænd dʒˈeɪmz ɹˈoʊzəŋkwˌɪst.
In the 1960s, Dufresne began to follow the progressive American Pop Art scene including Jasper Johns, Robert Rauschenberg, and James Rosenquist.