Despite the nominations for the awards being announced back in December, Brown aired his annoyance at the ceremony and the music industry in a series of tweets.
"#GRAMMY? This is probably the main reason I love being free to create any kind of music I want. Too many people kiss and work less," he wrote.
The "Forever" hitmaker then posted, "If you (sic) turn on ya radio right now I promise within the hour you will hear Chris Brown on damn near half the songs or I've co-written. The awards used to mean something.