The short story is; Kanye didn't take to the stage at the Bonnaroo festival in Tennessee until after 4am, which meant his fans were waiting for nearly three hours. Below in the longer version of the story, courtesy of Kanye's official blog:

"I am sick of negative people who just sit around trying 2 plot my downfall... Why???? I understand if people don't like me because I like me or if people think tight clothes look gay or people say I run my mouth to much, But this Bonnaroo thing is the worst insult I've ever had in my life. This is the most offended I've ever been... this is the maddest I ever will be. I'm typing so f*cking hard I might break my f*cking (cue shamless plug alert) Mac book Air!!!!!!!! Call me any name you want.... arrogant, conceited, narcissistic, racist, metro, fag whatever you can think of.... BUT NEVER SAY I DIDN'T GIVE MY ALL! NEVER SAY I DIDN'T GIVE MY ALL! THIS SHOWS NO MATTER HOW HARD YOU TRY TO BE GOOD AT SOMETHING THERE WILL BE PEOPLE THERE TO LIE ABOUT YOU AND BRING YOU DOWN! LIKE WAYNE SAYS PLEASE DON'T SHOOT ME DOWN CAUSE I'M FLYING! I'M FUCKING HURT BY THIS ONE. ALL I CARE ABOUT ARE THE FANS. JUST SAY THIS OUT LOUD IN A ROOM FULL OF PEOPLE, "KANYE DOESN'T CARE ABOUT GIVING A GOOD PERFORMANCE." CAN ANYONE HONESTLY SAY THAT ????????? HAS ANYONE EVEN TAKEN THE TIME TO AT LEAST DO THE MATH??? BONNAROO SHOULD HAVE RELEASED A STATEMENT IN MY DEFENSE BUT SINCE THEY HAVEN'T LET'S BREAK DOWN THE WALLS ON THIS TRUMAN SHOW AND LET YOU KNOW WHAT REALLY OCCURRED!!! FOR OVER A MONTH WE WENT BACK AND FORTH ON WETHER OR NOT WE COULD EVEN FIT MY STAGE AT THE FESTIVAL. ONE DAY THEY WOULD SAY YES... WE'D SEND THEM OUR SPECS THEN THEY THEY'D SAY OK... THEN THEY WOULD SEND SPECS BACK THAT DIDN'T FIT THE STAGE. WE WERE OBVIOUSLY DEALING WITH F*CKING IDIOTS WHO DIDN'T REALLY HAVE THE CAPACITY TO REALLY PUT ON THIS SHOW PROPERLY. THEY TRIED 2 GIVE ME A TIME SLOT WERE IT WAS STILL LIGHT OUTSIDE ... I HAVE A F*CKING LIGHT SHOW DUMB ASS, IT'S NOT CALLED GLOW IN THE DARK FOR NO REASON SQUID BRAINS! MY PEOPLE WORKED OUT A COMPROMISED STAGE PLOT AND A 3AM TIME SLOT AND I AGREED. FAST FOWARD TO THE DAY OF THE SHOW. MY PRODUCTION MANAGER TRIED TO LOAD IN FOR 24 HOURS BEFORE I WENT ON STAGE BUT THE FESTIVAL WOULDN'T ALLOW US TO DO ANYTHING UNTILL PEARL JAM LEFT THE STAGE. PEARL JAM ENDED ONE HOUR LATE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! AT THAT POINT WE'RE RACING AGAINST THE SUN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

Kanye? Kanye, lovey, I'm trying to make my way over there to give you a hug, if you could just stop throwing those toys about...