Music R&B

In "Let's Get It Started" by the Black Eyed Peas, what is the bass doing?

More Questions from Music R&B
The Weeknd had two songs on the soundtrack for which 2015 film, based on a novel by E.L. James?
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In Rihanna's "Umbrella", what will happen "when the sun shines"?
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At the 55th Grammy Awards in 2013, Bruno Mars performed with who?
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What "will never come in between" in the 2007 Rihanna single "Umbrella"?
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Finish the Lil Skies and Yung Pinch lyric, "You tried to take me down, I left you in the ____?"
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Aaliyah had which hit single in 2000?
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Pop star Beyoncé was once part of what R&B group?
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Which "American Idol" alumna won the 2009 Grammy for Best R&B Album?
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