Happy Birthday To You (feat. 初音ミク) [It's Only Rock 'n' Roll Ver.] - ハオピン/初音未来(初音ミク)
Lyrics by: PATTY SMITH HILL/MILDRED J HILL
Composed by: PATTY SMITH HILL/MILDRED J HILL
Happy birthday to you
Happy birthday to you
Happy birthday Happy birthday
Happy birthday to you
Happy birth Happy birthday to you