What is mixing?

• Mixing is the process of taking all the individual tracks in a recording, adding some effects to tracks, to create a mix of the song sounding as good as possible.

This process can include:

• Shaping the sound of each instrument or voice using equalization. 
• Spreading the tracks between professional speakers, to create an even stereo mix.
• Adding special effects to bring out the Highest Quality of each track.

What is mastering?

• Mastering is the process of making your finished mix, into a professional high quality sound. 

Apart from mixing, mastering includes:

• Adjusting the dynamic range of each section of the song
• Getting your song ready for iTunes, Spotify, etc.
• Making the mix louder and more clear