Mani Ratnam and Ilaiyaraaja.

11 films with both credited.

Year	Film	Mani Ratnam	Ilaiyaraaja	Language
1983	Pallavi Anu Pallavi	Director, Writer	Music Director	Kannada
1984	Unaru	Director	Music Director	Malayalam
1985	Idaya Kovil	Director, Writer	Music Director	Tamil
1985	Pagal Nilavu	Director	Music Director	Tamil
1986	Mouna Ragam	Director, Writer	Music Director	Tamil
1987	Nayagan	Director, Writer	Music Director	Tamil
1988	Agni Natchathiram	Director, Writer	Music Director	Tamil
1989	Geetanjali	Director	Music Director	Telugu
1990	Anjali	Director, Writer	Music Director	Tamil
1990	Sathriyan	Producer, Writer	Music Director	Tamil
1991	Thalapathi	Director, Writer	Music Director	Tamil