I just wanted to update the last post I sent a few weeks ago. The following seems to allow MP3::Tag to update tags with UTF-8 strings. Programs like easytag, mythmusic, etc seem to be handling the data correctly or at least as expected. I have other programs that share code I've used below. This particular script is run inside the album or artist directories. My preferred structure in the end is Artist/Album/Track. Title. My platform is Linux (OpenSUSE 11.1 as of this writing).

#!/usr/bin/perl
use strict;
use warnings;
use Cwd;
use Audio::FLAC::Header;
use MP3::Info;
use MP3::Tag;
use sort '_qsort';
use File::Glob qw(:globally :nocase);
use Encode qw(encode decode);

our $DEBUG = 0;

sub Get_Artist_Album {
 return ( split m!/!, cwd() )[-2,-1];
}

sub Process_Files {
    my @MP3_Files = <*.mp3> ;
    my @FLAC_Files = <*.flac> ;
    my $Num_MP3_Files = @MP3_Files;
    my $Num_FLAC_Files = @FLAC_Files;
    if ($Num_MP3_Files > 0) {
        my ($Artist, $Album) = Get_Artist_Album;
        $Artist = decode('UTF-8',$Artist);
        $Album = decode('UTF-8',$Album);
        foreach my $MP3_File (@MP3_Files) {
            chomp $MP3_File;
            if ($MP3_File =~ /^(\d+[\.\_\-\ ]+)(.*)(\.\w+)$/) {
                my ($Track, $Title, $Ext) = ($1, $2, lc($3));
                $Track =~ s/^(\d+)(.*)/$1/;
                $Track = sprintf("%02d", $Track);
                $Title = decode('UTF-8',$Title);
                $Title = Format_Text ($Title);
                my $New_File = "$Track. $Title$Ext";
                if ($DEBUG) { print "\t$New_File\n"; }
                rename ($MP3_File, $New_File) unless $MP3_File eq $New
+_File;
                remove_mp3tag($New_File, 'ALL');
                my $mp3 = MP3::Tag->new($New_File);
                my $id3v1 = $mp3->new_tag("ID3v1");
                $id3v1->all($Title,$Artist,$Album,"","",$Track,"Rock")
+;
                $id3v1->write_tag;
                my $id3v2 = $mp3->new_tag("ID3v2");
                $id3v2->add_frame('TRCK',$Track);
                $id3v2->add_frame('TIT2',$Title);
                $id3v2->add_frame('TPE1',$Artist);
                $id3v2->add_frame('TALB',$Album);
                $id3v2->add_frame('TCON',"17");
                $id3v2->write_tag;
            }
        }
    }
    if ($Num_FLAC_Files > 0) {
        my ($Artist, $Album) = Get_Artist_Album;
        foreach my $FLAC_File (@FLAC_Files) {
            chomp $FLAC_File;
            if ($FLAC_File =~ /^(\d+[\.\_\-\ ]+)(.*)(\.\w+)$/) {
                my ($Track, $Title, $Ext) = ($1, $2, lc($3));
                $Track =~ s/^(\d+)(.*)/$1/;
                $Track = sprintf("%02d", $Track);
                $Title = Format_Text ($Title);
                my $New_File = "$Track. $Title$Ext";
                if ($DEBUG) { print "\t$New_File\n"; }
                rename ($FLAC_File, $New_File) unless $FLAC_File eq $N
+ew_File;
                my $flac = Audio::FLAC::Header->new($New_File);
                my $tags = $flac->tags();
                %$tags = ();
                $tags->{TRACKNUMBER} = $Track;
                $tags->{TITLE} = $Title;
                $tags->{ARTIST} = $Artist;
                $tags->{ALBUM} = $Album;
                $tags->{GENRE} = "Rock";
                $flac->write();
            }
        }
    }
}

sub Format_Text {
    my $Text = $_[0] or exit 1;
    $Text = lc($Text); #Make everything lowercase
    $Text =~ tr/_/ /; #Remove underscores
    $Text =~ s/\.\.\./\.\.\.\ /g;
    $Text =~ s/(\d),(\d)/$1$2/g;
    $Text =~ s/,/ /g;
    $Text =~ tr/\`\´\’/\'/s;
    $Text =~ s/ and / \& /g;
    $Text =~ s/\[/\(/g;
    $Text =~ s/\]/\)/g;
    $Text =~ tr/ / /s; #Remove unnecessary spaces
    $Text =~ s/\( /\(/g;
    $Text =~ s/ \)/\)/g;
    $Text =~ s/\·/-/g;
    $Text =~ s/\s*-\s*/-/g;
#    $Text =~ s/\.$//; #Some titles have an extra period - bye
    $Text =~ s/(\d)\./$1/g; #Do not need period after numbers here
    my @Words = split(/ /,$Text);
    foreach my $Word (@Words) {
        $Word = ucfirst($Word);
    }
    $Text = "@Words";
    $Text =~ s/([(-])([a-z])/$1\u$2/g;
    $Text =~ s/(\W'\S)/uc($1)/eg; #Some items following ' should be uc
    $Text =~ s/(\.)([a-z])/$1\u$2/g; #Letter.Letter.Letter... is uc
    $Text =~ s/Dis[ck]\ /Cd/;
    $Text =~ s/Dis[ck](\d)/Cd$1/;
    $Text =~ s/Cd\ (\d)/Cd$1/;
    $Text =~ s/\((Cd\d+)\)/$1/;
    $Text =~ s/-Cd/ Cd/;
    my $x = $Text =~ tr/(/(/; #Count open parens
    my $y = $Text =~ tr/)/)/; #Count closing parens
    if ($x > $y) {
        $Text = $Text.")";
    }
    return ($Text);
}

Process_Files;
my $Artist_Dir = cwd();
opendir (Artist_DH, $Artist_Dir) || die "can't opendir $Artist_Dir: $!
+";
my @Albums = grep { !/^\./ && -d "$_" } sort readdir(Artist_DH);
foreach my $Album (@Albums) {
    my $NewAlbum = Format_Text ($Album);
    rename ($Album, $NewAlbum) unless $Album eq $NewAlbum;
    if ($DEBUG) { print "$NewAlbum \n"; }
    chdir $NewAlbum or warn "Cannot change to $NewAlbum\n";
    Process_Files;
    chdir "..";
}
closedir Artist_DH;
[download]

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