It also includes ratings from popular music magazines, NME and Q magazine, which its five star ratings boasting on either side of the poster. Featuring other links such as myspace, facebook as well as their own website will enable people to interact them more on all these different types of social media. It's also intelligently done as it promotes their platform where they can promote even more.
Here's posters that are of a different genre:
Rihanna's poster uses all dark colours but the only splash of colour is the ones promoting her singles. Whereas Kanye's is very simplistic and doesn't even contain his name; this gives it a mysterious feel as you will want to know who this is.