In my spotify favourite songs there is
Swiss German; Standard German;
English;
Romansh;
Standard Italian; Lombard;
Standard French; Old Occitan; Francoprovençal;
an Old Hispanic language, but I can't tell is Castilian or Galician or what;
Welsh; Irish; Breton;
Serbocroatian;
Romani;
Icelandic;
Japanese;
Turkish;
Tamasheq;
Punjabi;
Latin;
Ancient Egyptian.
The Egyptian one is the Wellerman song.