Before, I was using VirtualDJ so now I brought a MixVibes Controller and I put the samplers I used before on VirtualDJ, but when I use them on MixVibes they depend on the song I am playing and the pitch of samplers changes like -50 or something, it depends on the song and when I play the samplers they sound so bad, any answers how to use them ? I got Mixvibes 3DEX7.310, Heres a photo of my controllers: