Film - All Is Well br Song Name - Chaar Shanivaar br Music - Amaal Mallik br Lyrics - Shabbir Ahmed br Singer - Vishal Dadlani & Armaan Malik. br Rap Written & Performed By - Badshah. br br Music Team - br Song Programmed by - Aditya Dev & Abhijit Vaghani. br Additional Programming - Amaal Mallik & Ravi Bhavsar. br Song Mixed & Mastered by - Eric Pillai (Future Sound Of Bombay) br br Live Instruments & Recorded by - Rahul Sharma (Krishna Audio) & Dipesh Sharma (Yash Raj Studios).