Conversation so far:
What was Sharon Cuneta doing in 1981?
On November 12, 1981, Viva Films released its first feature film, P.S. I Love You, starring Cuneta and Concepcion.
Was P.S. I Love You, the start of Sharon Cuneta career?
No, Cuneta first appeared on Philippine pop charts in 1978 with the Filipino pop culture hit Mr. DJ.

Question: Did it do well?
Self-contained rewrite: Did Mr. DJ do well?