Month old news, but news worthy none the less.
curtfehr has released software that allows you to listen to MP3’s via your Wii U’s web browser, here is a quote from the source:
Listen to MP3’s through the Wii U internet browser! This is a 3 part application:
1) A windows service that listens to directories for MP3’s and automatically converts them to MP4’s.
2) A configuration interface for this windows service.
3) An IIS directory listing skin to make consuming media from your home network easy.
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