Tolong jelaskan mengenai Best Urban/Alternative Performance dari Penghargaan Grammy ke-51

"Say Goodbye to Love" - Kenna

"Wanna Be" - Maiysha"Be OK" – Chrisette Michele featuring will.i.am"Many Moons (song)" - Janelle Monae

"Lovin You (Music)" - Wayna feat. Kokayi

"Bust Your Windows" - Jazmine Sullivan

"Heaven Sent" - Keyshia Cole"Miss Independent" – Ne-Yo"Spotlight - Jennifer Hudson

Love & Life - Eric Benét

Motown: A Journey Through Hitsville USA - Boyz II Men

Lay It Down - Al GreenJennifer Hudson – Jennifer HudsonThe Way I See It - Raphael Saadiq

Best Contemporary R&B AlbumGrowing Pains – Mary J. BligeBack of My Lac' - J. Holiday

Year of the Gentleman - Ne-Yo

"Roc Boys (And the Winner Is)..." - Jay-Z"A Milli" – Lil Wayne"Paris, Tokyo" - Lupe Fiasco

"Sexual Eruption" - Snoop Dogg

Best Rap Performance by a Duo or Group

"Royal Flush (song) - Big Boi feat. Raekwon and Andre 3000"Swagga Like Us" – Jay-Z & T.I. featuring Kanye West, & Lil Wayne"Mr. Carter - Lil Wayne feat. Jay-Z

"Wish You Would" - Ludacris feat. T.I.

"Put On" - Young Jeezy feat. Kanye West

Best Rap/Sung Collaboration"American Boy" – Estelle featuring Kanye West"Low" - Flo Rida feat. T-Pain

"Green Light" - John Legend & Andre 3000

"Got Money" - Lil Wayne feat. T-Pain

"Superstar" - Lupe Fiasco feat. Matthew Santos

Best Rap Song"Lollipop" – Lil Wayne featuring Static Major"Low - Flo Rida feat. T-Pain

"Sexual Eruption" - Snoop Dogg

"Superstar" - Lupe Fiasco feat. Matthew Santos

"Swagga Like Us" - Jay-Z & T.I. feat. Kanye West and Lil Wayne