How to install and customize Qmmp audio player on Ubuntu

Qmmp is a multi-platform (Linux, FreeBSD, Microsoft Windows) open-source lightweight audio Supported formats include MPEG, Ogg Vorbis, Native FLAC, Ogg FLAC, Musepack, ADTS AAC. player written in C++ with the use of Qt the library. The audio player has a built-in equalizer and supports video playback via Mplayer.