Swizzy also posted videos of the pint-sized beatmaker creating the "untitled 7" track in the studio.
"Egypt making the beat for Kendrick !!!! Only 5yrs old---- #Kendrick???? ?????? shout out to the youth !!!!!!#blessingsonblessings FYI no help on the beat!!!," he added.
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Egypt's mom, Alicia Keys, also gushed about her son's accomplishment on her Instagram. "He got up that morning humming a melody..... We went to the piano to find it....he picked it out by ear....he loves to play.... I know that feeling--------
Congratulations Egypt for practicing and learning and trying and listening to the music in your heart!----------------#KendrickLamar #EgyptDean," she wrote.
Kendrick Lamar released his surprise eight-track project at midnight (March 4).
Billboard has reached out to Swizz Beatz for comment.