If you are looking for professional multitrack recording software, there is nothing better than the Sony Acid Pro series. It offers the best quality output for your recording and production activities. It is the undisputed leader when it comes to loop based music creation. Even though it has all the features of the earlier Acid Pro versions, the new features make it an outstanding product. You can now do MIDI processing in real time and modify the modulation and expression to perfection. It is also possible to record multiple tracks at once and perform quantization in real time. It is very easy to use. All you have to do is to download the software from the website and install it on your computer. You should then use the keygen given in this link to activate and use Sony Acid Pro 7 software. Hope you enjoy mixing multiple tracks with Acid Pro tools.