This is the 5624th most frequent German word.
bilal
"Bilal" is not a German word; it is a proper name of Arabic origin.
'Bilal' is employed as a direct reference to someone to whom the request can be relayed.
Kannst du Bilal bitten, uns zu helfen?
Can you ask Bilal to help us?
In this sentence, 'Bilal' is used as a proper noun referring to an individual.
Bilal ist heute nicht in der Schule.
Bilal is not at school today.
Here, 'Bilal' is again used as a proper noun, specifying a person with whom the song evokes memories.