AllMusic (previously All Music Guide or AMG; stylized as allmusic) is an online music guide service, owned by All Media Guide. AllMusic was founded in 1991 by popular culture archivist Michael Erlewine as a guide for consumers. Its first reference book was published the following year. When first released onto the Internet, AMG predated the World Wide Web and was first available as a Gopher site.

AMG headquarters is located in Ann Arbor, Michigan, United States.

AllMusic's database, which is licensed and used in point-of-sale systems by some music retailers, includes:

AllMusic also claims to have the largest digital archive of music, including about six million digital songs, as well as the largest cover art library, with more than half a million cover image scans.

The AllMusic database is also used by several generations of Windows Media Player and Musicmatch Jukebox to identify and organize music collections. Windows Media Player 11 and the integrated MTV Urge music store have expanded the use of AllMusic data to include related artists, biographies, reviews, playlists and other data.

Pharrell Williams (born April 5, 1973), commonly known simply as Pharrell, is an American rapper, singer, record producer, composer, and fashion designer. Williams and Chad Hugo make up the record production duo The Neptunes, producing hip hop and R&B music. He is also the lead vocalist and drummer of hip-hop band N.E.R.D, which he formed with Hugo and childhood friend Shay Haley. He released his first single "Frontin'" in 2003 and followed up with his first album In My Mind in 2006.

As part of The Neptunes, Williams has produced numerous hit singles for various musicians. The two have earned three Grammy Awards amongst ten nominations. He is also the co-founder of the clothing brands Billionaire Boys Club and Ice Cream Clothing. He is a member of the supergroup V.A. Playaz with Fam-Lay, Clipse, Skillz, Missy Elliott, and Timbaland & Magoo.

Pharrell Williams was born on April 5, 1973, in Virginia Beach, Virginia, the eldest of three sons of Carolyn, a teacher, and Pharaoh Williams, a handyman. He met Chad Hugo in a seventh-grade summer band camp where Williams played the keyboards and drums and Hugo played tenor saxophone. They were also both members of a marching band; Williams played the snare drum while Chad was student conductor. With Hugo, Williams attended Princess Anne High School where they played in the school band; there he got the name Skateboard P.

William Leonard Roberts II (born January 28, 1976), better known by his stage name Rick Ross (often stylized as RICK RO$$), is an American rapper. He derived his stage name from the drug trafficker "Freeway" Ricky Ross, to whom he has no connection. Ross founded the record label Maybach Music Group, on which he released his studio albums Deeper Than Rap and Teflon Don, Ross was also the first artist signed to Diddy's management company Ciroc Entertainment. In early 2012, MTV named Ross as the Hottest MC In The Game.

William Leonard Roberts II was born in Coahoma County, Mississippi. and raised in Carol City, Florida, near Miami. After graduating from Carol City Senior High School, he later attended the historically black college Albany State University on a football scholarship.

After being signed to Suave House Records, former label for rap duo 8Ball & MJG, he eventually signed a deal with Slip-n-Slide Records, which has been under the Def Jam umbrella since 2006. While signed to Slip-n-Slide, Ross toured with fellow rapper Trick Daddy and made guest performances on other Slip-n-Slide albums.

Toni Michelle Braxton (born October 7, 1967) is an American R&B singer-songwriter, record producer, and actress. Braxton has won six Grammy Awards, seven American Music Awards, and five Billboard Music Awards and has sold over 60 million records worldwide. She has a contralto vocal type.^{[citation needed]}

Braxton topped the Billboard 200 with her 1993 self-titled debut album and continued that streak with her second studio album Secrets, which spawned the number-one hits "You're Makin' Me High" and "Un-Break My Heart". Although she had successful albums and singles, Braxton shortly filed for bankruptcy, but then returned with her chart-topping third album, The Heat. In 2009, she returned to the spotlight with "Yesterday", a #12 R&B hit which serves as the first single off her new album Pulse, released on May 4, 2010, which debuted at #1 on Billboard R&B Album Chart. Braxton was involved in the 7th season of the reality show Dancing with the Stars. Her professional partner was Alec Mazo. She was voted off in week five of the competition. It was announced on October 6, 2010 that Braxton once again had filed for bankruptcy. A reality series entitled Braxton Family Values, starring Toni and her sisters, debuted April 12, 2011 on WE tv. WE tv ordered a 13-episode second season of the show after the third episode of the first season. On September 18, 2011, Braxton was inducted into the Georgia Music Hall of Fame.

Nicole Atkins (born October 1, 1978) is an American singer-songwriter. She has been compared to Roy Orbison and singers from the Brill Building era.

Atkins was born in Neptune, New Jersey. She grew up in Shark River Hills, a middle class enclave within Neptune overlooking the Shark River. Atkins has cited the river (technically a bay) as a major inspiration for her music, particularly the imagery of “the river in the rain” found in the title track on her album Neptune City. She started playing piano when she was 9 and taught herself to play guitar at 13. She eschewed more popular acts of the day for musical groups her parents listened to, such as The Ronettes and Johnny Cash. She has cited The Sundays’ Harriet Wheeler as a major early influence.

She started playing in pick-up bands and doing gigs at local coffeehouses while attending St. Rose High School in the nearby town of Belmar.