 Carey worked with producer Puff Daddy to create the official remix , the Bad Boy remix of " Fantasy " . While Columbia allowed Carey more leniency with the music she recorded , they became hesitant when she featured Ol ' Dirty Bastard in the remix for " Fantasy . " They feared the sudden change was completely left field for her music , and worried it would jeopardize the album 's success . Finally , the Bad Boy remix used guest raps from O.D.B and background vocals by Puff Daddy . Some of the song 's R & B elements were removed for the remix , while the bassline and " Genius of Love " sample were emphasized & the bridge from the original version was used as the chorus . There is a version omitting Ol ' Dirty Bastard 's verses . The " Bad Boy Fantasy Remix " , combines the chorus from the original version and the chorus of the Bad Boy Remix together , removing Ol ' Dirty Bastard 's vocals from his 2nd verse . Carey re @-@ recorded vocals for club remixes of the song by David Morales , titled " Daydream Interlude ( Fantasy Sweet Dub Mix ) . " The Bad Boy remix garnered positive reviews from music critics . Ken Tucker from Entertainment Weekly praised the song , claiming its one of the few tracks where Carey " defines herself . " Additionally , he complimented the song , writing " At her best , as she is on this clipped , spunky track , Carey is a disco diva for the ' 90s , a worthy successor to trailblazing women like Donna Summer and Vicki Sue Robinson , R & B singers with an affinity for the endless groove . Disco ? No wonder most rock critics can 't get behind her . Party on , Mariah . " 
