Thereof, how important is mastering?
Mastering is a crucial step in the audio production process. Mastering also ensures the tracks on an album or EP have consistent volume levels. Matching levels for each track improves the listening experience. For example, you can listen to an entire album without adjusting the volume between songs.
Beside above, what is the point of mastering a song? Mastering is the final step of audio post-production. The purpose of mastering is to balance sonic elements of a stereo mix and optimize playback across all systems and media formats. Traditionally, mastering is done using tools like equalization, compression, limiting and stereo enhancement.
Regarding this, do you need mastering?
Mastering will make your final mix sound better, but only if the mix is already good, and only if the mastering engineer is judicious during the mastering process. The golden rule of audio mastering is: mastering won't save a bad mix, but it sure can ruin a good one.
Does mastering make a difference?
The mastering engineer works only the stereo mix, not the individual parts. A good mastering engineer can make a huge difference with subtle changes.