YOU SAID:
happy birthday to you my friend
INTO JAPANESE
友よ、お誕生日おめでとう
BACK INTO ENGLISH
Happy birthday, friend
INTO JAPANESE
誕生日おめでとう、友人
BACK INTO ENGLISH
Happy birthday friends
INTO JAPANESE
お誕生日おめでとう
BACK INTO ENGLISH
[おたんじょうびおめでとう] /(exp) Happy Birthday/
INTO JAPANESE
お誕生日おめでとう
BACK INTO ENGLISH
[おたんじょうびおめでとう] /(exp) Happy Birthday/
That didn't even make that much sense in English.