Hi!

    while( my $artist = $rs->next)
    {
        print $artist->cds->title . "\n\n";
    }

The "cds" relations is has_many, so you'll probably want to do this to display all CD title of all artists:

while( my $artist = $rs->next) {
    my $cds = $artist->cds;
    while ( my $cd = $cds->next ) {
        print $cd->title . "\n\n";
    }
}

If you only expect one CD per artist, you can do as follows:

while( my $artist = $rs->next) {
    print $artist->cds->first->title . "\n\n";
}

Michele.

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