词：Mildred J. Hill/Patty Smith
曲：Mildred J. Hill/Patty Smith
祝你生日快乐
祝你生日快乐
祝你生日快乐
祝你生日快乐
Happy birthday to you
Happy birthday to you
Happy birthday happy birthday
Happy birthday to you
祝你生日快乐
祝你生日快乐
祝你生日快乐
祝你生日快乐
Happy birthday to you
Happy birthday to you
Happy birthday happy birthday
Happy birthday to you
祝你生日快乐
祝你生日快乐
祝你生日快乐
祝你生日快乐
Happy birthday to you
Happy birthday to you
Happy birthday happy birthday
Happy birthday to you