Pixar make different films that are mainly based for younger people like the following:
toys story
cars
a bugs life
monsters inc
finding nemo
the incredibles
Ratatouille
WALL-E
Up
Cars 2
we would use the music that is in some of the film trailers 
i will also like to put more information

                                                                                                                                                                                                                                 

What makes a good film trailer 

• sound
• voice over
• cross cutting
• fonts
• pictures
• music
• scary sounds
• the characters name

company