Hap, hap, hap Happy Birthday Hap, hap, hap Happy Birthday We'll sing our cheers For another year It's a Happy Birthday to you You Live in a zoo You live in a zoo You live in a zoo You live in a zoo, a zoo, a zoo, a zoo Hap, hap, hap Happy Birthday Hap, hap, hap Happy Birthday We'll sing our cheers For another year It's a Happy Birthday to you