3.1 Interface Overview

There are 11 main parts to the LMMS interface. These are described in detail in the following chapter. This section gives a brief description of each part of the interface. It also lists the sections of this guide in which each part of the interface is explained in greater detail.

For information on the Settings window, refer to this page.


The Main Menu Bar serves as a general menu for LMMS. It is explained in section 3.2.

Main Menu Bar

The Toolbar contains options for managing project files, showing/hiding interface windows, and altering master controls for projects. It is explained in section 3.3.

Tool Bar

The Sidebar is used to introduce resources to a project. It is explained in section 3.4.

Sidebar (Instrument Plugins tab)


Most of the work you do creating songs in LMMS will be done in the program's windowed GUI. Each type of window has a specific purpose.

The Instrument Window contains settings for an instrument. Instrument windows are explained in section 3.5.

Instrument Window (AudioFileProcessor)

The Song Editor contains all the different sound-generating elements and automation clips in a project file. It is explained in section 3.6.

Song Editor

The Beat+Baseline Editor is where repetitive loops, such as drum or basslines, can be created and contained. It is explained in section 3.7.

Beat+Baseline Editor

The Piano Roll allows you to create and edit note sequences. It is explained in section 3.8.

Piano Roll

The Automation Editor allows you to create a profile that any connected parameter can follow. It is explained in section 3.9.

Automation Editor

The FX-Mixer is where FX channel routing and manipulation takes place. It is explained in section 3.10.


The Project Notes window allows you to create notes for yourself in a project file It is a simple text editor. It is explained in section 3.11.

Project Notes

The Controller Rack is where controllers are added and configured. These controllers allow you to make alterations to connected parameters, much like an Automation Clip would. The Controller Rack is explained in section 3.12.