"Success" is a song written by Johnny Mullins that was originally recorded by the American country artist Loretta Lynn.

[3] Composed by Johnny Mullins, "Success" was recorded in the honky tonk style of country music, which incorporated more traditional elements of the genre.

[4] The single spent a total of 16 weeks on the Billboard Hot Country Western and Sides chart before peaking at number six in September.

Larry Flick from Billboard commented, "There's a new Sinead coming to town, as she previews her upcoming set of pop standards, Am I Not Your Girl?

"[11] Greg Sandow from Entertainment Weekly called it a transformation of a Loretta Lynn song, writing, "Right at the start, a tortured brass riff tears it from its country roots.

[15] Robert Hilburn from Los Angeles Times wrote, "This is another country song, but O'Connor has redone the old Loretta Lynn hit in big-band fashion, turning it into a commentary on how obsession with material values can destroy a relationship.

"[16] A reviewer from Music Week named it "her most bewitching single" since "Nothing Compares 2 U", remarking that it is "expensively produced, with a brilliant orchestral arrangement offsetting her vulnerable small voice beautifully.

"[17] Parry Gettelman from Orlando Sentinel felt her "drastic reworking" is "intriguing", adding that "the overwrought arrangement suits O'Connor's tightly wound vocal.

[19] Daphne Kwong from Stanford Daily felt "the music overwhelms O'Connor's voice until she starts singing louder midway through the song.

Timothy White from Billboard described the video like this, "The singer is depicted on a sleekly nightmarish dais, delivering her clement declaration as if responding to some sinister state inquisition.