Tyler the Creator Robert Pollard waltzed out, sporting a well-worn Ohio t-shirt, and asked the crowd, “Are you guys ready for some quality, professional rock ‘n’ roll?” The festival stages at Pitchfork increasingly seem designed to separate the professionals from the up-n-comers and ever more so from those not yet ready for prime-time. The sure-fire professionals: Guided by Voices, Neko Case, Superchunk, No Age, James Blake, Off!, Yuck, Kylesa, Deerhunter. That list represents the groups [...]