I was waiting to download this albumn since a long time...because i loved the sons when i first saw it on TV...Amazing music by Shankar eshan and loy....great lyrics....so here is the review of each song:-

Hey Ya:- Sung by Clinton Crejario, Shankar Mahadevan has some great lyrics, awesome music......a prefect song for a first date.....very romantic and peppy....i m aure this song will be on my playlist and in my favourites too
Rating :-4/5

Uff Teri Ada:- Again Sung by Shankar Mahadevan and Alyssa Mendosa...The female has a shooting voice, it is a great dance number, a fast paced song, has lots of beats has a different tune....Shankar sound great too..
Rating 3.5/5

Jaane yeh kya hua:- KK is back with this movie after a long time.... and how....A slow paced song very melodious, soothing to the ears, i think on of the songs you want to listen when you are all alone, i am sure with the AV it would look great...great music with chorus
Rating:-3.5/5

Kaissi hai yeh Uddasi:- Sung by Kailash kher ans sukanya puryastha this song....a sad song...on the lines of YA RABBA from salame ishq.....very patent.....typical Kailash kher song......he sounds great......a ok king of a song
Rating :-3/5

Karthik Calling Karthik:- SUng by Suraj Jaggan(the one who sang give me some sometimes from 3 idiots) and Shankar Mahavdevan. This is the title track with having some dialogues in between.......a slow song....having a lot of Eng lish lyrics...
Rating:-2.5/5

Karthik 2.0:-SUng by Midival Pundits and Karsh Karle...it only has some gr8 music....lookis like a background score....

I think the music is awesome...Hey ya and Uff teri Adda will remain on your playlist...

others are good too..

Overall rating:-3.5/5

Enjoy