Aside from the fact that music is a healthy, impactful way for musicians to spread their thoughts and ideas, there are so many other reasons why our lives would be empty without music. Whether you realize it or not, your life would be extremely different without music to accompany it. The movies you watch would be significantly less suspenseful, your car rides would be boring, and you'd never get that nostalgic feeling after not listening to a song for a few years and then hearing it again. Music makes life interesting and helps you cope with and remember important moments.
When I was 10 years old, my grandfather passed away from lung cancer. At his funeral, they played You Raise Me Up by Josh Groban. I had heard this song hundreds of times in church and never really assigned it much meaning. The day of the funeral was difficult for both my family and I. However, as time went on, I went on with my life and continued being a child.
About two years later, when I had an iPod touch, I found the song again. I immediately burst out into tears and didn't understand why I had forgotten about this song. I was old enough to realize the power of the lyrics, and I remembered the pain of losing my grandfather. I kept that song on my iPod and then phone for years to come because of the significance it had for me.
Maybe you haven't had such a powerful experience with music, and that's okay. But I can guarantee that the moment you hear a song or artist you haven't listened to in years, you will feel the way you did when you listened to it for the first time. In 8th grade, all I listened to was Kelly Clarkson. Now every time I hear "What Makes You Stronger" I am thrown back into an abyss of teenage angst and turmoil. In 9th grade, I tried being "emo" and listened to Sleeping with Sirens and Pierce the Veil, and I LOVED them. Now every time I hear their old music, I smile a little to myself while singing because I remember how good it felt to me back then.
There is a scientific reason for this, and as much as I wish I could explain it, I am not a psychologist. I found this particular page interesting in relation to the brain and how it processes music: http://musicandmemory.org/about/brain-music-connec...
Music is so important to me, and hopefully to you too. So many happy moments and sad moments in my life have been accompanied by music. I still cry to the songs I sang during my first breakup, and I still sing along to the songs I sang on a car ride to the beach years ago. Life may change and become complicated, but music is always a constant in our crazy lives, so appreciate it and love it.