Mash up = a type of recorded music or video that consists of parts of different songs or images that have been combined; a mixture of different, often contrasting , elements They created a mashup of all the artists who had performed on the show.
Predilection means bias, prejudice; liking, taste If someone has a predilection for something, they like it a lot: ☆Ever since she was a child , she has had a predilection for spicy food .