How many movies have Ilaiyaraaja and S. P. Muthuraman collaborated on?

They have worked on 30 movies together! Their first movie together was Bhuvana Oru Kelvikkuri (1977) while their highest rated movie together was Aarilirunthu Arubathu Varai (1979). They have not worked together since Pandiyan (1992). They are most known for their drama films together.