The music used in the title sequence, was from the song "Caravan" by David Carroll and his Orchestra. From the album Percussion Orientale - Musical Sounds of Middle East .
"Caravan" by El Coco (Duke Ellington & Juan Tizol) was played in the title sequence of Ek Gunah Aur Sahi. The instrumental of "Caravan" has had over 100 cover versions of the classic for decades. The original was by Duke Ellington in the 1930's. Feroz Khan's movie Char Dervesh used the song "Caravan" by David Carroll and his Orchestra, from the album Percussion Orientale - Musical Sounds of Middle East. The music appeared in the title sequence. Peirre Umiliani also did a cover version.
Feroz Khan and Sayeeda's picture was not on the LP record cover.
Feroz Khan said the dialogue "Zindagi Ka Khel Jaan Ki Baazi Laga Kar Khela Jaata Hain" in the film Char Dervesh. The same type of dialogue was repeated 22 years later in Feroz Khan's Janbaaz.
Feroz Khan was cast in the lead role due to his fit and impressive physique.