What are Placido Domingo's four most famous songs?

Plácido Domingo, a renowned tenor, is celebrated for numerous iconic performances, but four of his most famous songs include "Nessun dorma" from Puccini's Turandot, "La donna è mobile" from Verdi's Rigoletto, "O sole mio," a classic Neapolitan song, and "Ave Maria" by Schubert. His powerful voice and emotive interpretations have made these pieces staples of his repertoire, showcasing his versatility across Opera and popular music.