A few users and testimonials: 

Ronny Milianowicz (Drummer: Sinergy, Dionysus, Edguy, Primal Fear, Sinner, etc.) 

Glen Drover (Guitar: King Diamond, Eidolon, Megadeth) “We used the ‘oldlud.gog’ snare (Vol.1) on the new Eidolon album and it sounds great!” 

Sterling Campell (Drummer: Cyndi Lauper, Duran Duran, Soul Asylum, David Bowie, David Byrne, B-52s, Tina Turner) “Rock  drum samples bring enhanced energy to my existing drum tracks. The drums samples are well recorded.”

Jason Slater (Producer: Queesryche, Snake River Conspiracy, Earshot, Edify, Twisted Method) These drum sounds rule, I truly thank you from the bottom of my heart.” 

Shawn Pelton
(Drummer: Saturday Night Live, Bruce Springstein, Sheryl Crow, Bob
Dylan, Shawn Colvin, Billy Joel, etc.) “Looking forward to Volume III!” Steve Vai, World Wrestling Entertainment (W.W.E.) and so many more... 

B. Valeriani , Canada "As an Indie Mix Engineer, I've used Jason's Drum samples to rescue client's raw drum tracks so many times, they really should be crediting their drums to him!"