The music production of an original heavy metal song is described in this work. Some of the most important metal subgenres are described, as well as the most significant bands for each one. After that, it's described how the song “Greed“ was created. The author of this work wrote the lyrics of the song and played the drums for it as well. The sources of inspiration are described, along with the influences which played a key role in the early phases of composing the song “Greed“. The explanations of early versions, lyrics and implementations of conducted changes follow. After that, melodies, harmonies and rhythm, also known as basic elements of music are described. Then come the details of the song, an in-depth description of the recording process for each instrument and the vocals, and the equipment used in that process. After the recording was complete, the audio files were edited and mixed, and then the effects that were applied are described. The final part is mastering the song, and upon finishing that, the song is ready to be played. In the conclusion, the most important points of the work are summed up, and it's explained why it's so important for someone with little experience to be supervised by an experienced mentor.