The song "Con Te Patrio", which is actually "popera" song not an aria from a traditional opera, was made famous in the '90s by the blind Italian tenor Andrea Bocelli, and I know my mom loved it.

"So did Ezra Koenig, who sings the entire song in Italian under above a little reggae lilt. Listen to Koenig's tenor voice really for it on the key change below, via Rolling Stone.