Most of the magic behind hit songs is the producing of the beats and samples. Here are a few producers you should hear.

Just Blaze

What You Know- Cam’ron’s “Oh Boy,” Fabolus’ “Breathe,” Young Guns’ “Can’t Stop, Won’t Stop”

What You Don’t Know- Jay-Z’s “Song Cry,” “Dear Summer” and “U Don’t Know,” Cam’ron’s “Welcome to New York City,” Freeway’s “Flipside,” The Diplomat’s “I Really Mean It”

9th Wonder

What You Know- Jay-Z’s “Threat,” Destiny’s Child’s “Game Over” and “Girl”

What You Don’t Know- Little Brother’s The Minstrel Show, Memphis Bleek’s “Oh Baby” and “Alright”

Timbaland

What You Know- Aaliyah’s “Try Again” and “Are You That Somebody,” Ginuwine’s “Pony,” Jay-Z’s “Big Pimpin'” and “Dirt Off Your Shoulder.”

What You Don’t Know- Jadakiss’s “They Ain’t Ready,” Jay-Z’s “Nigga What, Nigga Who” and “Is That Yo Bitch,” Obie Trice’s “Bad Bitch,” Bubba Sparxx’s “Ugly” and “Twerk a Little.”

Scott Storch

What You Know- Chris Brown’s “Run It,” 50 Cent’s “Just a Lil Bit,” Fat Joe’s “Get it Poppin” and “Lean Back,” Beyonce’s “Naughty Girl” and “Baby Boy”

What You Don’t Know- Chamillionaire’s “Turn it Up Remix,” Young Guns’ “Never Take Me Alive,” Joe Buddens’ “3 Sides to a Story.”

Mannie Fresh

What You Know- Juvenile’s “Back that Azz Up,” Big Tymer’s “Still Fly,” “Get Your Roll On” and “#1 Stunna”

What You Don’t Know- Lil Wayne’s “Go DJ,” “Fuck You” and “Shine,” Big Tymer’s “Project Bitch”