montage

Short definition from Wiktionary

Noun

1. 1
   A composite work, particularly an artwork, created by assembling or putting together other elements such as pieces of music, pictures, texts, videos, etc.
2. 2
   The art or process of doing this.
3. 3
   A sequence of brief clips, often set to music, used to compress a long event or series of events into a short scene.

Verb

1. 1
   To combine into, or depict as, a montage.