Drumstick is a set of MIDI libraries using C++/Qt5 idioms and style. Includes a C++ wrapper around the ALSA library sequencer interface: ALSA sequencer provides software support for MIDI technology on Linux. A complementary library provides classes for processing SMF (Standard MIDI files: .MID/.KAR), and Cakewalk (.WRK) file formats. A multiplatform realtime MIDI I/O library and a GUI Widgets libraries are also provided for Linux, Windows, and Mac OSX. Changes for v2.1.0 * Implemented ticket #25: chromatic scale highlight palette * Implemented ticket #26: customizable texture for black and white keys * fix for ticket #23: library headers * fix for ticket #27: error parsing wrk files * Implemented palette serialization methods. Fixed lost attributes when piano scene is rebuilt. * drumstick-guiplayer: fixed stop playback, removed Overture mimetype from desktop file * Widgets and utils: Spanish translation updated. * Widgets: Russian translation update. Thanks to Sergey Basalaev * Widgets: Czech translation update. Thanks to Pavel Fric Compilation minimum requirements for all platforms: CMake 3.9 and Qt 5.7 Copyright (C) 2009-2021, Pedro Lopez-Cabanillas License: GPL v3 or later Project web site https://sourceforge.net/p/drumstick Online documentation https://drumstick.sourceforge.io/docs/ Downloads https://sourceforge.net/projects/drumstick/files/2.1.0/