Kalyanji–Anandji were an Indian composer duo: Kalyanji Virji Shah and his brother Anandji Virji Shah. The duo are known for their work on Hindi film soundtracks, with many evergreen songs being composed by them.

Don is a 1978 Indian Hindi-language action thriller film directed by Chandra Barot from a story written by Salim–Javed and produced by Nariman Irani. The film stars Amitabh Bachchan in dual role, alongside Zeenat Aman, Pran, Iftekhar, Om Shivpuri and Satyen Kappu in supporting roles. The music was composed by Kalyanji–Anandji with lyrics written by Anjaan and Indeevar.