Somewhere at this very moment, an otherwise intelligent person is going about her daily business with the words something something um-ba-rella, ella, ella, ay, ay, ay repeating over and over in the background of her mind. Even if only once, she heard the lead single from Rihannas Good Girl Gone Bad (Def Jam) and since then, has been powerless to stop the songs hook from dominating her thoughts. After enough time, shell probably convince herself to buy the album. Luckily for her, the bad taste it leaves in her mouth might be the wake-up call she needs to help lock ella, ella, ay in the same dark corner of her brain as my humps, my humps, my humps, and oops, I did it again.Now on her third album in as many years, Rihannas challenge is proving that shes more than just a pretty girl being used to sell Urban flavored bubblegum. Sadly for her, this album will do nothing to help her plight. While most of the songs on Good Girl Gone Bad are mildly enjoyable, Rihanna herself is the least important factor. Dont Stop the Music is a fun dance number, but mostly because of clever effects that simulate the sound of a bass-heavy song heard from outside the club. Rihannas vocals are incidental. Pop music has always been full of poor singers who make up for it in personality, but any personality Rihanna shows here is borrowed from a more talented songwriter.Rehab, written by Justin Timberlake, comes off as something that didnt make the cut for his own album and was therefore sold to Rihanna; the same goes for Ne-Yos Hate That I Love You. Rihanna doesnt bring anything to either song that any other mediocre singer wouldnt. Even with an arsenal of Pro-Tools vocal sweeteners, she doesnt deliver on the few lower-key arrangements (Question Existing) where her best efforts still amount to flat, unremarkable singing.With all that said, believe it or not, Good Girl Gone Bad is still fairly enjoyable up to a point. That point will likely come after three or four plays, but even after that, at least one or two tracks will probably make it to that playlist you turn on while youre getting ready to hit the club. Still, not a complete waste of time isnt exactly a ringing endorsement and Rihanna doesnt deserve one.Cute, at best.