( CNN ) -- With the Grammys going on for 3Â½ hours Sunday night , Trent Reznor thinks the telecast could 've spared a few extra minutes for his performance . The Nine Inch Nails rocker was part of the final closing act at the Grammys -- a set that included Dave Grohl , Fleetwood Mac 's Lindsey Buckingham and Josh Homme -- but fans did n't get to see the entire number . The producers decided to cut the group off before they were done and start rolling credits . `` Music 's biggest night ... to be disrespected , '' Reznor tweeted after the show . `` A heartfelt F*** Y** guys . '' Even one of the night 's big winners , Macklemore , was n't happy with the 56th annual Grammy Awards . Winner 's list . The artist , along with collaborator Ryan Lewis , took home four Grammys , including the award for best rap album . That was one honor many predictors thought would go to Kendrick Lamar for `` good kid , M.A.A.D . City , '' but Lamar was completely shut out at the ceremony . It turns out that Macklemore , too , thought Lamar should 've won the prize . On his Instagram account , Macklemore shared a text he sent to his friend . `` You got robbed , '' Macklemore texted Lamar . `` I wanted you to win . You should have . It 's weird and sucks that I robbed you . '' Macklemore told his Instagram followers that that while he 's `` honored and completely blown away to win anything , much less four Grammys ... in that category , he should have won IMO . '' Guess we 'll have to add `` good kid , M.A.A.D . City '' to our list of classic albums that the Grammys ignored . What do you think ? Any other big wins that you want to contest ? 5 things about the 2014 Grammys .
Musicians had a few complaints after the performance . Trent was not happy his performance was cut short . Macklemore wishes Kendrick Lamar could ' ve won for best rap album .