Blue's Lyricist Isnt Announced Yet :( http://www.imdb.com/title/tt1223922/fullcredits#cast
Dint Hear Anything Abt Ur Number 2 Question :s I Saw Chale Chalo ... Amazing Vid... A Must Watch .. But No Extra BGM Or Music There ..But U Can See How ARR Did Music ... And He Was Present At The First Day Of "Laagan" Shooting .. And The Day Was His BirthDay ... So If U Wanna Do Anything Good .. Start It In 6th January :) May be I Will Be Able To Give The Links Of "Chale Chalo" ..If Needed :) About Number 4... Can U please Name The Film .... Found Nothing Over Net about This :( No Idea Abt 5&6 :( Thanks :X