Here are some gentler acoustic tracks I've written and produced:

Theme song for Out There, a nature podcast:




Bright acoustic track for a Sesame Studios short:










Cheery ukulele jam for a corporate video:

Gentle, sad piano/guitar piece that gradually brightens:


Horn-centric theme for the app Blender Words





Backing track for an indie singer-songwriter:



Gentler acoustic groove for a corporate video:



Also see the Orchestral and Rock pages for additional examples of music with acoustic instruments.