What is the difference between traditional music and folk music?

The second meaning of "folk music" is a particular genre of music. The roots of this genre are in traditional music, but it is by no means all traditional ... There are a number of different types of music which can be considered part of folk music, including traditional, acoustic, bluegrass, Celtic, roots, and old-timey. but they basically are the same

Traditional music uses the voices of the folk and no instruments while folk music uses the voice and the instruments.