During the recording of the album Reality Show, Sullivan spent so much time revising and re-recording, that the producers had to force her to release the album to prevent a delayed release.
But this only contributes to her perfectionist personality that she puts in the composition of her songs.
She produced the result of the completion of the sessions an album titled Break My Little Heart in 2004 but she was dropped and it remains unreleased.
Sullivan first appeared on the music mainstream scene with her debut single "Need U Bad", released in May 2008.
Her debut single "Need U Bad," produced by Missy Elliott, reached number one on Billboards Hot R&B/Hip-Hop Songs chart, while her second single, "Bust Your Windows," produced by Salaam Remi, peaked at number four.
Elements of R&B, reggae, dub, pop, jazz, neo soul and doo-wop can be heard in her work.
and Brandy particularly their "thundering voices" and "smooth runs." Jazmine has a voice with a metallic and raspy ring to it in her upper chest.
"Then when Mc Donald’s had a competition for kids in major cities, I got a chance to perform 'Accept What God Allows' on It's Showtime at the Apollo and the audience responded really well".
Nonetheless, the middle register remains "bright" but "fragile".
She describes her writing style as "flashbacks", in reference to her songs about failed relationships that were both physically and emotionally abusive.
Sullivan is well known for penning her songs which in turn, receive universal critical acclaim from critics and fans.
Jazmine's first recorded appearance was a guest appearance on Kindred the Family Soul's song "I Am" Before releasing her debut album, a song that Jazmine had written and recorded with producers Cool & Dre titled "Say I" was given to Dre's then-girlfriend Christina Milian for her third album, So Amazin'.
She sang with Stevie Wonder at his grandson's birthday at the age of 13.