Kaban and Serval need to charge the bus's battery at a mountaintop café, but can't take the ropeway there. Instead, they ask Crested Ibis for help, only her singing is, uh, indescribable.
Many folk tales were written 
with this as a theme.
Viele Märchen haben
dies als Thema.
qui raillent la tonalité nasillarde
de sa voix.
e molte vecchie storie ne parlano.