Vierra is the credited artist for the sound titled Manusia, a work originating from Indonesia. The sound is associated with Musica Studio's, as noted in its core contextual documentation. Its genre classification is listed as Music/Other/Other, a categorization used in music archiving and cataloguing to capture works that do not fit neatly into more narrowly defined genre categories. This classification serves an important purpose in global music documentation, as it creates space for all forms of recorded sound, regardless of whether they align with the limited set of mainstream genre labels that dominate many commercial music platforms. Every confirmed fact tied to Manusia is centered in its archival record, a standard practice that prioritizes clear attribution and context for all recorded work.