 Complete the following phrase:  Since the 1970s, Loghman Adhami has performed, composed and arranged numerous songs for leading Iranian singers, notably Ebi Hamedi, Fereydoon Farrokhzad, Mahasti, Hayedeh, Hassan Sattar, Homeyra and Leila Forouhar. He has also had extensive collaborations with the Iranian lyricists Tooraj Negahban and Faregh Amiri. Many of these works have developed since his immigration to the United States in the wake of the 