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
To quickly clone an entire track, hold down CTRL while dragging the 'grip' area on the far left of the track. You can even clone the track into another LMMS instance.