M4Music offers some works as free downloads.

Three Children’s Graces
Short graces suitable for children.
Score includes vocal/piano/guitar.

Waltzing in the Rain
The accompaniment for Waltzing in the Rain is the first movement from Step by Step String Ensembles – Step 1.
For the remainder of the series, please see ‘Step by Step String Ensembles – Step 1’

In addition, free audio samples of most works are available on their relevant product pages.