Using this Phoenician letter for your vowel audio is a result of the early Greek alphabets, which adopted the letter "omicron" to symbolize the vowel /o/. The letter was adopted with the value in the Outdated Italic alphabets, including the early Latin alphabet. Spotify is unavailable on this browser. https://osapinhoeaborboleta66543.suomiblog.com/little-known-facts-about-musica-infantil-52794309