How to compose music for gravel

Gravel, gravel, boulder, pebble, pebble, pebble, pebble, gravel, gravel, gravel,

Imperfect gravel, pebble, gravel sand, gravel, gravel, gravel, gravel, gravel, gravel, gravel, gravel,

Yan Gravel, Bi Gravel, Dan Gravel, Jade Gravel, Volcanic Gravel, Jinzhu Gravel, Carved Ice and Cooking Gravel,