Creating an Autopsy Plugin/Module for .mp3 files. -- 2

The plugin/module needs to be able to display a spectrogram and all data within the header for all mp3 files. The new information has to be displayed in the Data Content Viewer container of the already preexisting DataContentViewer
https://www.sleuthkit.org/autopsy/docs/api-docs/4.1/mod_content_page.html