''Must B 21'' is the second

studio album An album is a collection of audio recordings issued on compact disc (CD), Phonograph record, vinyl, audio tape, or another medium such as Digital distribution#Music, digital distribution. Albums of recorded sound were developed in the early ...

released by

the Black Eyed Peas Black Eyed Peas (also known as The Black Eyed Peas) is an American musical group consisting of rappers will.i.am, apl.de.ap, Taboo. The group's line-up during the height of their popularity in the 2000s featured Fergie, who replaced Kim Hil ...

frontman

will.i.am William James Adams Jr. (born March 15, 1975), known professionally as will.i.am (pronounced "Will-I-am"), is an American rapper, singer, songwriter and record producer. He is the founding and lead member of the musical group Black Eyed Peas. ...

. The album was released on September 23, 2003.

Background

The album was released on September 23, 2003, and boasts a multitude of guest artists, including

KRS-One Lawrence "Kris" Parker (born August 20, 1965), better known by his stage names KRS-One (; an abbreviation of "Knowledge Reigns Supreme Over Nearly Everyone") and Teacha, is an American rapper from New York City. He rose to prominence as part of ...

Phife Dawg Malik Izaak Taylor (November 20, 1970March 22, 2016), known professionally as Phife Dawg (or simply Phife), was an American rapper and a member of the group A Tribe Called Quest with Q-Tip and Ali Shaheed Muhammad (and for a short time Jarobi W ...

, MC Supernatural,

Planet Asia Jason Cullen Green (born October 24, 1976), better known as Planet Asia, is a rapper from Fresno, California. He is prominent for being one half of the now reunited hip-hop duo the Cali Agents and is currently a member of the groups Gold Chain ...

, FLII,

John Legend John Roger Stephens (born December 28, 1978), known professionally as John Legend, is an American singer, songwriter, pianist, and record producer. He began his musical career by working behind the scenes, playing piano on Lauryn Hill's " Ever ...

MC Lyte Lana Michele Moorer (born October 11, 1970), better known by her stage name MC Lyte, is an American rapper, DJ, actress and entrepreneur. Considered one of the pioneers of female rap, Lyte first gained fame in the late 1980s, becoming the first ...

Phil Da Agony Strong Arm Steady, often referred to as SAS, is a hip hop group in California's underground hip hop scene. As of December 2009, the act consists of members Phil Da Agony, Krondon, of Los Angeles, and Mitchy Slick of San Diego, California. Orig ...

and Tash, as well as fellow

Black Eyed Peas Black Eyed Peas (also known as The Black Eyed Peas) is an American musical group consisting of rappers will.i.am, apl.de.ap, Taboo (rapper), Taboo. The group's line-up during the height of their popularity in the 2000s featured Fergie (singer ...

Fergie and

Taboo A taboo or tabu is a social group's ban, prohibition, or avoidance of something (usually an utterance or behavior) based on the group's sense that it is excessively repulsive, sacred, or allowed only for certain persons.''Encyclopædia Britannica ...

. The album itself is a collection of material recorded by Adams during the creation of the Black Eyed Peas album ''

Elephunk ''Elephunk'' is the third studio album by the American musical group Black Eyed Peas. It was released on June 24, 2003, by the will.i.am Music Group and A&M Records. The album charted at number 14 on the American ''Billboard'' 200 albums chart an ...

''. The project marked Adams' last release as a solo artist for over four years, until his third album ''

Songs About Girls ''Songs About Girls'' is the third studio album by American singer will.i.am, known from his work with The Black Eyed Peas. The original title of the album was ''Keep the Beeper''. The album was released on September 19, 2007. The first single re ...

'' was released in late 2007. The album was originally only available on vinyl, but a CD and digital release followed in December 2003. Track seventeen on the release, "Go!", was used in the video games ''

NBA Live 2005 ''NBA Live 2005'' is the 2004 installment of the '' NBA Live'' video games series. The cover features Carmelo Anthony as a member of the Denver Nuggets. The game was developed by EA Sports and released in 2004 for PlayStation 2, Xbox, Nintendo Ga ...

'' and ''

Madden NFL 2005 ''Madden NFL 2005'' is an American football simulation video game based on the NFL that was developed by EA Tiburon, along with Exient Entertainment and Budcat Creations, and published by EA Sports. The 16th installment of the ''Madden NFL serie ...

''. A video for the track was also recorded for use within the games; however, no official singles were released from the album. The artwork for the album was designed by

Shepard Fairey Frank Shepard Fairey (born February 15, 1970) is an American contemporary artist, activist and founder of OBEY Clothing who emerged from the skateboarding scene. In 1989 he designed the " Andre the Giant Has a Posse" (...OBEY...) sticker cam ...

Track listing

References

{{Authority control 2003 albums Will.i.am albums Albums with cover art by Shepard Fairey Albums produced by will.i.am