上傳一個修改mp3信息的命令行工具 id3tool ，用法比較簡單，id3tool mp3file.mp3 可以顯示 mp3file.mp3 文件的信息，加上一些參數可以修改mp3文件的信息，比如專輯名、藝術家、出版年份等等。也可以和for命令結合使用來批量修改很多歌曲的信息。
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E:\xml\tools>id3tool -h
id3tool version 1.2a
Copyright (C) 1999-2005, Christopher Collins
id3tool comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
welcome to redistribute it under certain conditions. For details refer to the
file "COPYING" included with this program.
This product includes software developed by the NetBSD Foundation, Inc. and
its contributors.
usage:
id3tool [<options>] <filename>
-t, --set-title=WORD Sets the title to WORD
-a, --set-album=WORD Sets the album to WORD
-r, --set-artist=WORD Sets the artist to WORD
-y, --set-year=YEAR Sets the year to YEAR [4 digits]
-n, --set-note=WORD Sets the note to WORD
-g, --set-genre=INT Sets the genre code to INT
-G, --set-genre-word=WORD Sets the genre to WORD
-c, --set-track=INT Sets the track number to INT
-l, --genre-list Shows the Genre's and their codes
-v, --version Displays the version
-h, --help Displays this message
Report bugs to Chris Collins <ccollins@pcug.org.au>
E:\xml\tools>id3tool.exe "Ozone - Dragostea Din Tei.mp3"
Filename: Ozone - Dragostea Din Tei.mp3
Song Title: Dragostea Din Tei
Artist: O-Zone
Year: 2003
Genre: Pop (0xD)

E:\xml\tools>id3tool.exe -t "maiahi" -a "My album" -r lxmxn "Ozone - Dragostea Din Tei.mp3"
E:\xml\tools>id3tool.exe "Ozone - Dragostea Din Tei.mp3"
Filename: Ozone - Dragostea Din Tei.mp3
Song Title: maiahi
Artist: lxmxn
Album: My album
Year: 2003
Genre: Pop (0xD)
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