Using this Phoenician letter for the vowel audio is as a result of early Greek alphabets, which adopted the letter "omicron" to signify the vowel /o/. The letter was adopted with the value during the Outdated Italic alphabets, including the early Latin alphabet. Spotify is unavailable on this browser. https://musica-infantil23333.gynoblog.com/36131121/the-smart-trick-of-musica-infantil-that-nobody-is-discussing