The music in trailers is often referred to as "trailer music". It includes a variety of styles that are meant to capture the feel of the trailer, from exciting and dramatic to haunting and somber.
This type of music is created by trailer music companies and artists who specialize in the genre. While traditional scoring methods are sometimes used to create trailer music, this type of music often utilizes modern recording and production techniques to create larger-than-life soundscapes.
The goal of trailer music is to help amplify each emotional moment of the trailer and provide a unique and unforgettable experience for the audience. It is often intense, energetic and powerful, with the power to make audiences stop and take notice.
If you're interested in exploring trailer music further, you can head over to TrailerMusic.com. It's a great place to find music for trailers, along with other types of cinematic music and sound design.
However, you should always remember to get the artist's permission and credit them properly before using any of their music. This is especially true when you’re using music for commercial and promotional purposes.