Make sure the license you receive with your pre-made mix has your teams name on it. Unleashthebeats.com does a great job of supplying the license this way, and it protects everyone involved including the mixing company. For each custom mix we do, we have to buy each cover and license even if we have the cover already. SO if I make 10 custom mixes and all the mixes have "My House"... I have to buy "My House" 10 times in order to be compliant to music rules and laws. I don't want anyone to get burned with a pre-made mix that is not covering the usage for their mix. Hope this helps! This is not intended to put shade on Dan Spiers' comment, I just want to make sure everyone is aware.