God blessed mankind with the ability to sing and play instruments, and I believe that this ability was given to every one of us so that we can praise and glorify our Creator. In the words of David the Psalmist, "Sing to Him a new song; play skillfully with a shout of joy" (Psalm 33:3). Just as a composer writes a symphony and assigns each instrumentalist a section of the piece, we are also assigned certain things in our lives, and we all have something that God wants us to supply to the world. Whether it be singing, playing an instrument, preaching, or even just being able to find the good in people, God urges us to use these talents (Ephesians 4:11,12). He tells us that "whatever [our] hands find to do, to do this with all [our] hearts" (Ecclesiastes 9:10). And again, "whatever is true..noble...just...lovely, meditate on these things" (Philippians 4:8).
We are called to live to our full potential. We are called to be like Christ in His attitude and His outlook on life. That whatever is put into our lives, we use for God's glory. This is why I do music.