To provide an edit system used for video production, capable of supporting production of a MV video for following undulation of a music melody and promptly and automatically switching a digital photograph.

An edit system comprises a processing unit 10, a music data base 18, a display unit 20, a human computer interface 30 and an output unit 40. The processing unit 10 provides logical operation and a note of a digital photograph, and an edit of the digital photography. A plurality of musical files are preset in the music data base 18. In each of the plurality of musical files, a plurality of melody blocks are defined based on each melody. The processing unit 10 combines and reproduces digital photographs with different notes and respective melody blocks of one musical file of the music data base.