Yeah Yeah U Know It

"Yeah Yeah U Know It" is a song written and performed by American hip hop group Def Squad. It was released on January 28, 2003 through Def Jam Recordings as the lead single from Keith Murray's fourth solo studio album He's Keith Murray. Production was handled by Just Blaze. Additional vocals were provided by Jessica Rivera. The song peaked at number 99 on the Billboard Hot 100 and number 50 on the Hot R&B/Hip-Hop Songs in the United States.

"Yeah Yeah U Know It"
Single by Def Squad
from the album He's Keith Murray
Released	January 28, 2003 (2003-01-28)
Recorded	2002
Studio	Mirror Image (New York, NY)
Genre	Hip hop
Length	4:12
Label	Def Jam
Songwriter(s)	Keith Murray Erick Sermon Reginald Noble Justin Smith
Producer(s)	Just Blaze
Keith Murray singles chronology
"Fatty Girl" (2001) "Yeah Yeah U Know It" (2003) "Candi Bar" (2003)
Redman singles chronology
"React" (2002) "Yeah Yeah U Know It" (2003) "Put It Down" (2007)
Erick Sermon singles chronology
"Love Iz" (2002) "Yeah Yeah U Know It" (2003) "Relentless/I'm Not Him" (2004)
Music video
"Yeah Yeah U Know It" on YouTube

"Yeah Yeah U Know It" has been described by Murray as an "old-school hip-hop song".^[1]

Track listing

12" vinyl

No.	Title	Length
1.	"Yeah Yeah U Know It" (Radio)
2.	"Yeah Yeah U Know It" (LP Version)
3.	"Yeah Yeah U Know It" (Instrumental)
4.	"Yeah Yeah U Know It" (Acapella)

CD Maxi-single

No.	Title	Writer(s)	Producer(s)	Length
1.	"Yeah Yeah U Know It" (featuring Def Squad)	Keith Murray Erick Sermon Reginald Noble Justin Smith	Just Blaze	4:12
2.	"Fatty Girl" (featuring Ludacris and LL Cool J)	Murray Christopher Bridges James Todd Smith Jean-Claude Olivier Samuel Barnes Pharrell Williams	Poke & Tone	3:55
3.	"Special Delivery (Remix)" (featuring Ghostface Killah, G. Dep and Craig Mack)	Murray Dennis Coles Trevell Coleman Craig Mack Harve Pierre Lamont Porter	EZ Elpee	4:39
Total length:				12:46

Charts

Chart (2003)	Peak position
US Billboard Hot 100[2]	99
US Hot R&B/Hip-Hop Songs (Billboard)[3]	50
US R&B/Hip-Hop Airplay (Billboard)[4]	51
US Hot R&B/Hip-Hop Singles Sales (Billboard)[5]	11