mash-up
noun /ˈmæʃ ʌp/
  /ˈmæʃ ʌp/
- a combination of elements from different sources used to create a new song, video, computer file, program, etc.- a video mash-up
- Most mash-ups are simple remixes that DJs have been doing for decades.
- It's a web service that allows people to create mash-ups of movies, combining scenes from various films.