Release 0.4.0 of id3lib-ruby fixes problems with reading Unicode frames. It is recommended to upgrade to this version. Get it through RubyGems or from:
id3lib-ruby provides a Ruby interface to the id3lib C++ library for
easily editing ID3 tags (v1 and v2) like with pyid3lib.
=== 0.4.0 (r41)
* Fixed Unicode problems (bug 4768).
* Renamed ID3Lib::API methods to be more like the id3lib method names.
E.g. the GetType() method is now named get_type instead of type.
=== 0.3.1 (r32)
* Added check and messages for -lstdc++ and -lz to extconf.rb.
* Updated to SWIG 1.3.29.