Final answer:
The prominent family of jazz instruments on "Got to Get You into My Life" is the brass family, featuring trumpets and horns that are characteristic of the track.
Step-by-step explanation:
The family of jazz instruments that is prominent on "Got to Get You into My Life" is the brass family. This song by The Beatles is known for its bright, energizing horn lines that feature heavily throughout the track. In music, brass instruments include trumpets, trombones, tubas, and French horns, known for their loud and commanding sound, which lends a distinctive character to the song.
In music classification, instruments are often divided into categories based on how they produce sound. For example, aerophones are wind instruments, chordophones are stringed instruments, membranophones are instruments with membranes like drums, and idiophones are self-sounding instruments. The guitar, as another example, is classified as a chordophone because it produces sound by vibrating strings.