I created a stripped-down version of MMM-ShairportMetadata forked from surekap. This metadata module would be a drop-in replacement for the default compliment module. It can also display lyrics for apps (e.g. netease music, qq music, et al.) that support outputing lyrics to the title field of the metadata.

For all your music fans out there, try this module here: https://github.com/ytzeng1/MMM-ShairportMetadata