|From the episode:||The New Adventures of Old Tom|
"Wannabe" is the debut single by the British girl group the Spice Girls.
When Peter agrees to help Tom Tucker improve his image to be younger, he reassures him that when he sets his mind to something he can do anything, such as his performance on The Voice. The cutaway shows a tearful Peter discussing the inspiration of his deceased mother who had taught him how to sing before launching into "Wannabe".
So tell me what you want, what you really, really want
I'll tell you what I want, what I really, really want...