The language that sung is Biscayan dialect of Basque (bizkaiera), not as the unified batua that do most of Basque groups.
Minjiang dialect | Kansai dialect | Samogitian dialect | Doric dialect | Cypriot dialect | Norfolk dialect | Geordie dialect words | Doric dialect (Scotland) | Lancashire dialect and accent | Balearic dialect | balearic dialect | Yooper dialect | ''Wenn der Rapp bleht in Piddaschwald'', a poem in the dialect of Peterswald-Löffelscheid | Upper Navarrese dialect | Upper Carniolan dialect | Styrian dialect group | Romanesco dialect | Pothohari dialect | Pomeranian (German dialect group) | Pemako Tshangla dialect | Old Guangde dialect | Ohrid dialect | Northern Khmer dialect | Negombo Tamil dialect | Multani dialect | Manchester dialect | Lower Polog dialect | Kata-vari dialect | Iron (dialect) | Girt (''dialect'': "great") Dog of Ennerdale |