Last Q&A Sony Music Japan posted that's Anata ni Narita Katta related
Question - Which artiste inspired the creation of Ite mo Tatte mo ?
Answer - Perfume
The other 2 options - JUDY AND MARY & Morning Musume.
https://twitter.com/SonyMusic_JPN/st...50961517371404
LOL
So maybe in a future Ken's Bar , Ken might cover something Perfume related xD