Kendrick Lamar takes his lyrics seriously.

And he wants to reward his fans who pay close attention to what he says.

Today at 4 PM Pacific Time (7 PM on the East Coast), K.Dot will holding an Untitled Unmastered lyric contest on Twitter.

Contestants will be asked questions about each of the eight songs on the project. The first one to get a question right will receive a prize package, which a T-shirt, hat and backpack.

You can respond to the questions with the hashtag @untitledlyrics. However, Kendrick warns they will not be easy.

. #untitledlyrics pic.twitter.com/Bfxxfhekb9

— Kendrick Lamar (@kendricklamar) March 9, 2016