Welcome to the LMMS Wiki! Here you'll find the documentation, tutorials, guides, resources, and much more.
Manual [wiki] [pdf] (for v0.4.12)
How to Report Bugs
Developers (Wiki on GitHub)
Creating a Theme
Theme Porting Guide
In LMMS there is a "My Home" folder in the left toolbar where you can access all your .ogg or .wav media files and drag them into your own song as if they were instruments.