Big Sean celebrates a pretty good year with a celebratory track titled “What A Year” featuring Pharrell and Detail. Stream the new track from Sean Don below. [soundcloud url=”https://api.soundcloud.com/tracks/239771192″ params=”auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&visual=true” width=”100%” height=”450″ iframe=”true” /]