fragment of one song / international title: Unsung Melody) is a 2008 Philippine television drama romance musical series broadcast by GMA Network.

Based on a 1991 Philippine film of the same title, the series is the seventh instalment of Sine Novela.

Directed by Mike Tuviera, it stars Glaiza de Castro and Lovi Poe.

It premiered on March 3, 2008 on the network's Dramarama sa Hapon line up.

According to AGB Nielsen Philippines' Mega Manila household television ratings, the pilot episode of Kaputol ng Isang Awit earned a 20.2% rating.