Festival OTA de la Canción

Concours OTA de la Chanson Mavrétal 1997
Although English is an official language in Cheyenne, the 1997 edition's native title was issued in French in part for being the majority language in Quillec, of which Mavretal is part of.

Concorso OTA della Canzone Miyazio 2000
Although English is an official language in Hisqaida, the 2000 edition's native title was issued in Italian in part for being the majority language in Dolinia, of which Miyazio is part of.

Festival OTA de la Canción Bahia Desano 2006
Although English is an official language in Hisqaida, the 2006 edition's native title was issued in Spanish in part for being the majority language in Bahia Desano.

OTA Song Contest Geuston 2017
Due to several issues related to its organization, the 2017 edition ended up being held in 2018, effectively making it the 2018 edition as well.

OTA Song Contest Geerlesia 2020 (cancelled)
The 2020 edition was cancelled due to the ongoing COVID-19 pandemic crisis.

OTA Song Contest Geerlesia 2021 (cancelled)
The 2021 edition was initially to be held with limited audience and health security measures due to the ongoing COVID-19 pandemic crisis, but it eventually ended up cancelled due to the rise of the Delta variant cases in the continent.