Helium is a complete MP3 management solution, which contains the following key features: --Advanced tagging using ID3 v1.x, ID3 v2.3.0 and Lyrics3 v2.0--Easy tagging using ID3 v1.x and ID3 v2.3.0--Mass renaming tool--Tag 'guessing'--Tagging using CDDB v2.0--Tag cleaning--List making (PLS, M3U, text and HTML)--Time matcher--MPEG sync Validator--Database organizing and collectingAll these and many other functions make Helium the most powerful and easy to use MP3 management utility available.Helium is one of the few MP3 managers that is fully ID3 v1.x, ID3 v2.3.0 and Lyrics 3 v2.0 compliant.