We often know everything about the rappers, but what about those beat makers that craft the tracks? The beat is sometimes just as inportant as the lyrics.

Yesterday brought a number of responses to Kendrick Lamar's verse on Big Sean's "Control", three of which came from people who actually represent New York.

Next up, it's Cassidy to respond to K. Dot's controversial verse. Cassidy took a break from beefing with fellow Philadelphian Meek Mill to jump on the "Control" instrumental and freestyle his response for six minutes of comebacks.

Rappers who weren't named in Kendrick's "Control" verse are responding (Lupe, Cassidy, B.o.B, etc.) but now, even people who aren't known for rapping professionally are coming out of the wood work with responses on wax!

Hip-hop hasn't had a good beef in a while, but Kendrick Lamar's verse on Big Sean's "Control" sent shockwaves through the hip-hop universe when he called out (by name) a bunch the industry's hottest rappers.

After Monday's late night release of "Control" by Big Sean featuring Kendrick Lamar and Jay Electronica 3, rappers have come out with musical responses to Lamar's demolishing verse which goes like this: "I'm usually homeboys with the same niggas I'm rhymin

Big Sean goes off on "Control," a collaboration with Kendrick Lamar and Jay Electronica, which sees him spitting braggadocios lyrics about living the "life" and being the man of his city (Detroit).

Terrace Martin turns and old fashioned love triangle into something else with his new offering "Triangleship," featuring Kendrick Lamar.

SchoolBoy drops the music video for "Collard Greens," featuring Kendrick Lamar. The visual looks like a kaleidoscopic dance filled house party.

With the help of ¡Mayday! And Nashville's Kendall Morgan, Tech N9ne and Kendrick Lamar take turns dousing the media with verbal firebombs of scorn on their collab record "Fragile" from Tech's upcoming album Something Else , which drops on July 30.

Arguably the most praised emcee in the last year, Kendrick Lamar took home the award for Best Male Hip-Hop Artist at 2013's BET Awards.

Kendrick Lamar's banner introductory year just keeps getting sweeter and sweeter. Days after being presented the Vanguard Award by mentor Dr.