Difference between Xylophone and Marimba

What is the difference between Xylophone and Marimba?

Xylophone as a noun is a musical instrument made of wooden slats graduated so as to make the sounds of the scale when struck with a small drumstick-like hammer. while Marimba as a noun is a musical instrument similar to a xylophone but clearer in pitch.

We hope you now know whether to use Xylophone or Marimba in your sentence.