ðɪs kəmˈɛnst ɪnðə fˈɑːloʊɪŋ jˈɪɹ, ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti, ˌʌndɚ ðə lˈiːdɚʃˌɪp ʌv ˈaɪɡuːl ænd mʌstˈɑːfə sˈuːəl, ænd hɐz kəntˈɪnjuːd sˈɪns.
This commenced in the following year, in 1990, under the leadership of Aygül and Mustafa Süel, and has continued since.