 Rob Fitzpatrick of NME called " Crazy in Love " a " head @-@ <unk> [ and ] body @-@ rocking funk @-@ soul genius " and wrote that it is " a 100 per cent , stone @-@ cold , dead @-@ <unk> classic " . He complimented Beyoncé ’ s vocals , describing them as " genuinely , hip @-@ <unk> <unk> " . Los Angeles Times writer Natalie Nichols noted that " sexy dance tunes as the vintage funk @-@ flavored ' Crazy in Love ' " made Dangerously in Love a great album . Neil <unk> of Entertainment Weekly wrote that the song has a " fresh sound " . Spence D. of IGN Music wrote that Beyoncé rides the " infectious rhythm " with grace and mid @-@ range <unk> . He added , " As [ it ] can be expected , the track <unk> when Jay drops his distinctive <unk> flavor . While other rap @-@ meet @-@ R & B tracks often fall flat , this one works well as Beyoncé and Jay 's <unk> play nicely against one another . " Lisa <unk> of The Times wrote that Jay Z performed a " decent rap " , however , " Beyoncé and the beats save the day " and that " Crazy in Love " was a departure for Beyoncé from Destiny 's Child . 
