I’m asking for a USB mixer for XMass so I can mix my MP3s together.I’m a bit concerned how it does the BPM matching. I’d really like to have a dial to adjust it for either so I can do it manually – but just as I feared this I ran into the following (Free) software: Zulu DJ Mixer by NCH Software Please donate while you’re at it since it’s currently free and really great. There are many options, drag and drop files to load them, then drag them to either A track or B track – you get a…