 Crazy in Love  have various remixes , including the Rockwilder remix , Maurice 's " Nu Soul remix " , and Juniors World remix . These versions appeared on the single releases of " Crazy in Love " under an alternative spelling , " Krazy in Luv " . The Rockwilder remix slow down the beat and make the song deeper and funkier with chopped up horn samples and sparkling synth textures . Maurice 's " Nu Soul Remix " speed up the beat , taking it from hip @-@ hop to house territory . A version of the song included on Asian releases of Dangerously in Love feature a rap in Mandarin Chinese performed by American @-@ Taiwanese singer Vanness Wu , instead of Jay Z 's performance .