The ID number of the Heavy Metal genre is 16. Hence the correct option is d.
In music databases or streaming platforms that utilize genre ID numbers, the alphanumeric code serves as a quick reference for users and an organizational tool for the platform itself. The ID "D. 16" specifically designates the Heavy Metal genre within this classification system. Heavy Metal, known for its distinctive sound characterized by powerful guitar riffs, aggressive vocals, and often elaborate instrumentation, finds its place in digital music libraries under this identifier.
This system allows users to efficiently navigate and explore music collections, facilitating the discovery of specific genres or styles. For example, a user interested in Heavy Metal can quickly locate relevant albums, tracks, or playlists by using the designated genre ID, streamlining the music listening experience. The allocation of unique identifiers to different genres contributes to the systematic arrangement and accessibility of a diverse range of musical styles within digital platforms. Hence the correct option is d.