0
Bart Bok was born on 1906-04-28.
Bart Bok died on 1983-08-05.
Bok-bok-bok-Bach!
No. The only song with "bok bok" in it was the ending to "Good Morning, Good Morning", in which you hear a sound loop of chickens and a rooster. But, no other songs have that. And, no Beatles actually say "bok bok".
a chicken coup bok bok