What song has the lyrics Oh Mariano oa oa oa?

The song with the lyrics "Oh Mariano oa oa oa" is "Volare" by Italian singer Domenico Modugno. The lyrics "Nel blu, dipinto di blu" are often associated with this song, which was a huge international hit in the late 1950s. The song's title, "Volare," means "to fly" in Italian, and it is known for its catchy melody and upbeat tempo.