Tuning the guitar will definitely make you sound better and when you hear your playing sounds well, you'll enjoy practicing, and practicing will then make you a better guitarist. Tuning your guitar properly is as important as your knowledge and skills in guitar playing. Your skills and knowledge will be nothing if you play an improperly tuned instrument. A properly tuned instrument is also very important in recording. Before getting into how to actually tune your guitar, let's explain the difference between a guitar being in tune with itself (relative tuning), and being in absolute tune.