Composed by Amit Trivedi, the song is sung by Udit Narayan, Alka Yagnik, Kumar Sanu, Abhijeet Bhattacharya, Sonu Nigam, Kavita Krishnamurti, Sadhana Sargam, Sunidhi Chauhan, S. P. Balasubrahmanyam, Shaan, Shreya Ghoshal, KK, Sukhwinder Singh, Shilpa Rao, Mohit Chauhan, with lyrics penned by Swanand Kirkire.

[1] On 12 March 2013, choreographer Vaibhavi Merchant announced on Twitter that she is directing a song for Bombay Talkies, celebrating 100 years of Indian cinema.

[5] She revealed that around 3500 frames, 19 singers, 100 dancers, 100 members of the crew, and 20 actors were used for the development of the song.

Trivedi kept the basic tune of the song 'neutral' and fit in the different style requirement of different eras of Hindi cinema from the 1930s till date (2010s).

[9] On 3 April 2013, it was revealed that Khan will be not be seen in a separate segment of the film, but in a song dedicated to 100 years of Indian Cinema.

[13] On 20 April 2013, it was reported that Arjun Rampal was approached for the song but he declined it mentioning date issues.

[18] Rajeev Masand who reviews from CNN-IBN, stated in his Twitter handle "Can't decide what's worse between the song and the video.

[18] With the release of the song, reports came criticising the absence of iconic legends like Dilip Kumar, Arjun Rampal, Kajol, the Deols, Jeetendra, Saif Ali Khan, Ajay Devgn and Preity Zinta who contributed for Indian Cinema.

[23] The first half of the song has clippings of popular films of many yesteryear celebrities like Prithviraj Kapoor, Devika Rani, Ashok Kumar, Nimmi, Suraiya, Bharat Bhushan, Meena Kumari, Nargis, Raj Kapoor, Mala Sinha, Nutan, Achla Sachdev, Suchitra Sen, Balraj Sahni, Dev Anand, Sandhya Shantaram, Nigar Sultana, Dilip Kumar, Rajendra Kumar, Madhubala, Vyjayanthimala, Mehmood, Raaj Kumar, Guru Dutt, Joy Mukherjee, Shammi Kapoor, Manoj Kumar, Waheeda Rehman, Sadhana Shivdasani, Nadira, Geeta Bali, Rakesh Roshan, Tanuja, Nanda, Asha Parekh, Babita, Rakhee, Jaya Bhaduri, Leena Chandavarkar, Helen, Sharmila Tagore, Aruna Irani, Mumtaz, Saira Banu, Rekha, Zeenat Aman, Smita Patil, Parveen Babi, Hema Malini, Kishore Kumar, Sunil Dutt, Feroz Khan, Rajesh Khanna, Sanjeev Kumar, Amitabh Bachchan, Shatrughan Sinha, Shashi Kapoor, Vinod Khanna, Neetu Singh, Shabana Azmi, Moushumi Chatterjee, Jaya Prada, Padmini Kolhapure, Poonam Dhillon, Tina Munim, Meenakshi Seshadri, Amrita Singh, Dimple Kapadia, Rishi Kapoor, Navin Nischol, Randhir Kapoor, Farooq Sheikh, Amol Palekar, Naseeruddin Shah, Dharmendra, Mithun Chakraborty, Sanjay Dutt, Jackie Shroff, Govinda, Sunny Deol and Jeetendra.

Sudesh Bhosle sung the portion representing golden voices like KL Sehgal, Mohammed Rafi, Mukesh, Kishore Kumar, Hemanta Kumar, S. D. Burman, Mahendra Kapoor and other singers of the golden era while Shailendra Singh and Vijay Benedict joined to sing their own songs from the '80s.