wˌʌt mˌeɪks ðɛɹ sˈaʊnd juːnˈiːk ɪz ðɪ ˌæplɪkˈeɪʃən ʌvðɪ ˈɪnstɹəmənts, nˌɑːt nˌɛsɪsˈɛɹᵻli ðɪ ˌɪnstɹəməntˈeɪʃən ɪtsˈɛlf.
What makes their sound unique is the application of the instruments, not necessarily the instrumentation itself.