With NBA season now underway, it's fair to wonder what the boys are listening to during their pregame warmups. What gets a professional athlete pumped these days?

Billboard asked a handful of prominent players. Here are the results:

Andre Iguodala (Golden State Warriors) - "II. Earth: The Oldest Computer (The Last Night)" by Childish Gambino

It gets my mind ready for battle.

Brandon Jennings (Detroit Pistons) - "Lose Yourself" by Eminem

The greatest pregame song maybe ever. The first couple lines explain it all.

Chandler Parsons (Dallas Mavericks) - In the Lonely Hour by Sam Smith

Right now I have whole Sam Smith album on repeat. He is unreal.

Jamal Crawford (Los Angeles Clippers) - "Heaven's Afternoon [feat. Meek Mill] by Wale

It gets me going, and Wale is one of my favorite rappers.

Jeremy Lin (Los Angeles Lakers) - "Cornerstone" by Hillsong

It reminds me that God is bigger than the results of the game.

Thursday night's Cleveland Cavaliers opener featured performances by Kendrick Lamar and Imagine Dragons.

According to Cleveland.com, Lamar ran through his hits and included the new single 'i,' which will be the NBA's theme song this season.

From the report: If fans were worried they might get shortchanged, they're minds were quickly put to ease. The Grammy nominated star ran though a collection of about a dozen popular songs. The set list included Lamar's new single "i," favorites like "Money Trees" and "Swimming Pools (Drank)," and label mate Jay Rock's new song "Pay For It."

Imagine Dragons performed after Kendrick, but the report notes: "...a lot of the attendees who seemed to be there specifically for Lamar had left. Fortunately, others coming into downtown for the evening took their place."

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