With Kid3, tag multiple MP3, Ogg/Vorbis, FLAC, MPC, MP4/AAC, MP2, Speex, TrueAudio, WavPack, WMA, WAV and AIFF files without typing the same information again and again and have control over both ID3v1 and ID3v2 tags, then Kid3 is the program you are looking for. It can generate tags from filenames, contents of tag fields, and from tags. It can rename and create directories from tags, generate playlist files, and automatically convert upper and lower case and replace strings.