The document discusses the purpose and benefits of music videos. It provides examples of how music videos can help promote artists when they are unavailable to perform live, like Queen promoting their song when on tour. Music videos are also an important promotional tool that draws attention to songs and artists. They can help artists create brands and increase income through merchandise and expanding their fanbase. Music videos allow artists to be promoted through different outlets like music channels, websites, and YouTube. They can also provide opportunities for synergy between artists through collaborations. The strategies for music videos differ between major labels, independents, and self-produced artists.