The La La La's sounded similar to me, I have to wonder of PBUS sampled it?

Potential Breakup Song by Aly & AJ

Crocodile Rock by Elton John

CR (vocals):

https://youtu.be/bS6KRtTLKzQ

PBUS (music):

https://youtu.be/tdoM4GKarrU

PBUS (vocals):

https://youtu.be/OffPqB2sCk8

CR (music):

https://youtu.be/egezgKhvcmQ