1) One convention is a medium close up to show the clothing and facial expressions. I will also have a central image of Beyonce as the main focus. My magazine also contains bar code and price.
2)
One of the key conventions is the central image of Beyonce which brings the focus on her.
I like the simple colour scheme, red and black.
I like how his face is directly in the middle to bring the attention to him.
It is very simple but straight forward as it includes the song name.