"Chammak Challo" is the most popular and hit song of this year so far. The song is sung by Akon and Tamil part is sung by Hamsika Iyer. Chammak Challo is composed by Vishal - Shekhar.
The song "Rafteerein" is from RA.One and what a song is this. Brilliant work by Vishal-Shekhar on music. This is music video of Raftaarein in which they are showing how much hard work they have done in this movie Ra.One.
Music of RA.One is composed by Vishal-Shekher. One song from the movie which recently released "Dildara (Stand by me)" is based on an English song (Ben E. King's Stand by Me). Producers bought the rights of song Stand by Me, cause the feel and lyrics of the song suits to Character G.One. Shahrukh Khan said this is best song of RA.One according to him. English lyrics of this song are kept intact. Stand by me is followed by Shafqat's Dildara Dildara.
The Song "Criminal is the second song of international R&B star Akon in Ra.One. Criminal is sung by Akon alon with Vishal Dadlani and Shruti Pathak.
Shah Rukh Khan is promoting RA.One in new and innovative ways and Making it so big. Movie is big and as well the music is. It has Akon and a song Stand by Me. RA.One music launch event. It's for first time that a Bollywood movie releasing it's music on national television the event will telecast on Star Plus on 18 September 2011. Event is named as "Chammak Challo".
The Song "Jiya Mora Ghabraye" from RA.One is sung by Sukhwinder Singh and Vishal Dadlani. Song is composed by the duo Vishal and Shekhar. This song is more like a theme song, It sounds very complex.This Song "Raftaarein" from RA.One is sung and composed by duo Vishal and Shekhar. 
Watch this latest released song from RA.One, Dildara Dildara (Stand by me). Song is based on Ben. E. Kings stand by me. Producers of RA.One took the rights stand by me then created this Hindi song Dildara Dildara.This Song Right By Your Side from RA.One is sung by Siddharath Coutto. and Song is composed by Vishal Shekhar. Arrangement of song is westernized. 
This Song Dildara Dildara is a sufi song and essence of the movie. After Chammak Challo's stupendous response Shah Rukh Khan and team is releasing the next song called "Dildara Dildara" but Shahrukh calls it "Stand by Me". Dildara Dildara is soft raomantic song and best song of the movie according to Sahrukh Khan. This song is based on Ben E. King's song. they have taken the rights of the song. So this song is Hindi adaptation of Ben King's stand by me not original composition of Vishal-Shekhar.It's criminal's video is another latest release from Ra.One. After the super success of Chammak Challo Shahrukh bangs with another super track again by Akon. This one is also choreographed by Ganesh Hegde like Chammak Challo.This Song Bhare Naina is a sufi song, sung by Shrikar, Vishal and Shekhar. Watch this years most awaiting and biggest video song 'Chammak Challo' of Shah Rukh Khan's dream movie Ra.One featuring kareena kapoor. about 2 month ago the audio of song leaked, and people gone mad for the song. Eros Entertainment tried to stop the song from spreading on youtube but before they stops the song was trending topic on twitter and everyone discussing about Chammak Chhallo. But Now wait is almost over for the Video of "Chammak Chhallo". The song is sung by international R&B singer Akon, composed by Vishal Shekhar, and lyrics of the song are penned by Vishal Dadlani.
Chammak Challo Lyrics from Ra.One: A historic Bollywood song sung by AKON, composed by Vishal-Shekhar featuring Shahrukh Khan & Kareena Kapoor.
