The document discusses three music genres - pop, grime, and R&B - that would be featured in a magazine targeted towards teenagers ages 11 to 21. It lists popular artists in each genre and provides a brief history and description of the imagery typically associated with each genre. Pop originated in the 1950s and is associated with rounded font. Grime originated in East London in the 2000s and is associated with dirtier, drippy fonts. R&B is a combination of hip hop, soul and funk and is associated with dance music depicted in capital letters with outlines.