The song's lyrics were written by Irshad Kamil, composed by A. R. Rahman and sung by Shashwat Singh, Poorvi Koutish.The song's music video is pictured upon actor Ranbir Kapoor and actress Sonam Kapoor.
[1] The song was nominated at the Asian Film Awards for Best Original Music.
[2] The song belongs to a completely different space and has the hints of pop in it.
The video of Ruby Ruby depicts Sanju's 'quest for love as he lets his imagination run wild.
[3] Song starts with Rahman's music, high bass over guitar tune, and then sanju (Ranbir Kapoor) says "Har drug addict koi na koi bahana khojta hai drugs wapas shuru karne ke liye, mera bahana Ruby thi" (transl.