Genre Theories.
there are different genres of music, so the genre conventions and expectation for the viewer will be different depending on the genre.
Pop- Dancing, colourful, joyful, happiness, stylish fashion- setting a trend, targeting the teenage audience.
Pop artists would include- Katy Perry, Beyoncé, Lady Gaga, P!nk, Justin Bieber, Selena Gomez and many more. With most songs within the Top 40 being pop songs.

Rap-  low angled shots, dancing, clothing- basketball jersey's, jewellery, expensive items, mostly males- usually have a reference to sex, getting drunks, and doing drugs.
Rap artists would include- Jay Z, Kanye West, 50 Cent, Tyga, Lil-Wayne, and many more, with these rappers mostly having American backgrounds and lifestyles.

 

 

Rock- usually have guitars and drums, would usually perform live.