Complex sentence: Poli enjoyed a long career singing until 1969, he then turned to teaching, first in Ankara, and later in Melbourne, and gave an ultimate performance in Adelaide, as Rodolfo in "La sonnambula" in 1978.
Split into simpler sentences: Poli enjoyed a long career singing until 1969, he then turned to teaching, first in Ankara, and later in Melbourne. He gave his last performance in Adelaide, as Rodolfo in "La sonnambula" in 1978.