Hammer is considered a "forefather/pioneer" and innovator[9] of pop rap (incorporating elements of freestyle music), and is the first hip hop artist to achieve diamond status for an album.

He has introduced, signed and produced new talent (his own acts collaborating with him and producing music of their own during his career)[13] including: Oaktown's 3.5.7, Common Unity, DRS, the vocal quintet Special Generation, Analise,[14] James Greer, One Cause One Effect, DASIT (as seen on Ego Trip's The (White) Rapper Show),[15] Teabag, Dom Kimberley, Geeman,[16] Pleasure Ellis,[17] B Angie B, The Stooge Playaz, Ho Frat Hoo!

A part of additional record labels, he has associated/collaborated/recorded with: VMF, Tupac Shakur, Teddy Riley, Felton Pilate, Tha Dogg Pound, Whole 9,[19] Deion Sanders, Big Daddy Kane, BeBe & CeCe Winans and Jon Gibson (or J.G.

Before Hammer's successful career (and his "rags-to-riches-to-rags-and-back saga"),[20] Burrell formed a Christian rap group known as the Holy Ghost Boy(s) with Gibson, producing songs such as "Word",[21] "B-Boy Chill"[22] and "Stupid Def Yal" (1987).

[36] In late 2012, Hammer appeared with Psy at the 40th American Music Awards and during Dick Clark's New Year's Rockin' Eve performing a mashup of "Gangnam Style" and "2 Legit 2 Quit" together, which was released on iTunes.

Note: Music videos were produced for "Let's Get It Started", "Pump It Up (Here's the News)", "Turn This Mutha Out", "(Hammer, Hammer) They Put Me in the Mix", "You've Got Me Dancing" (with Glen Goldsmith), "U Can't Touch This", "Have You Seen Her", "Pray" (including remixes), "Help the Children", "Too Legit to Quit", "Addams Groove", "Do Not Pass Me By" (with Tramaine Hawkins), "This Is the Way We Roll", "Pumps and a Bump", "It's All Good", "Too Late Playa", "Sultry Funk", "Keep On", "Going Up Yonder", "No Stoppin' Us (USA)", "Pop Yo Collar" and "Full Blast", among others.

Other songs with or without music videos released (charting and non-charting) were: Some singles have also appeared on other compilation albums, such as "Pump It Up (Here's the News)" and "U Can't Touch This".