> 1) The "Ba na na na" are horn sounds.
> 2) The "Chakachaka" part is some sort of percussion.
>
> "Rock N Roll Part II" by Gary Glitter
>
> Ba na na na... Hey! Ba na na.
> Ba na na na... Hey! Ba na na.
> Ba na na na... Hey! Ba na na.
> Chakachaka chakachaka chaka... (fans scream here: "Go team!" substituting
> whichever team they are rooting for)
>
> Repeat forever.
> --- jiminut