It's instrumental of Backstreet Boys "Just Want You To Know" (Max, Luke)
link 4 instrumental http://www31.zippyshare.com/v/92342045/file.html
wiki info http://en.wikipedia.org/wiki/Just_Want_You_to_Know
And instrumental of Perry's "Teenage Dream" (Luke, Benny, Martin)
link 4 instrumental http://www42.zippyshare.com/v/62522555/file.html
wiki info http://en.wikipedia.org/wiki/Teenage_Dream_(Katy_Perry_song)
And you can sing lyrics from Katy song to instrumental of BSB and it's sounds actually the same :-\
I find it out last autumn and still it goes through my head. So I decided to share my thoughs with you guys.
What do you think ?
I honestly don't think it's a deliberate copy and paste situation with these two songs. There are probably quite a few of their songs that have the exact same structure, just like a lot of the songs I write end up having the same length chorus and the same number of verses etc. and could easily be overlaid, probably because I subconsciously like to write songs with that structure. Then you have the same guitar rhythm in the verses, but that's a fairly standard straight guitar rhythm that you'd hear in too many songs to count. Now take The Veronica's "4Ever" and P!nk's "U + Ur Hand" and there might be a little more to it, but with those two I'm not so sure. :)
Welcome to Pop music! :)
They're completely different chord progressions......"Just Want u To Know" is:
I I V V ii- ii- iv iv
//// //// //// //// //// //// //// ////
"Teenage Dream" is:
iv vi- v
//// // //