Record labels are marketing companies that promote and manage artists, coordinate music production, and enforce copyright. They look for talented artists and help develop their careers. Major labels like Sony and Universal generate the most revenue through large sales and famous artists. Tupac was signed to the major label Interscope Records, known for hip hop artists like Dr. Dre and Tupac. Interscope was founded in 1989 and is owned by Universal Music Group. Record labels are responsible for enforcing copyright to prevent illegal uploading or downloading of music without permission.