Select Code to Download

my $input;
unless ( $input = shift )
...
    my @tunes = grep { $_ !~ /^#/ and /\S/ } <DATA>;
    chomp($input = $tunes[rand(@tunes)]);
}

__DATA__
# Original: 
...

# TTLS Variation 5
vV+!40!+|:C/rC*G/rG*+A/rA-*G/rGrFrFrErErDrD*Cr:||:G/rG~*F#/rF~*E/rEb~*
+D/r-G+*G/r/G~F#~^F/r/F~E~^Eb/r/F#~G~^D/r/F~D~^C/r/C~E~^G/r/G~E~+^A/r/
+A~C~^-G/r/E~GRG~F#RD~FRF~ERG~ERC#~DRF~DRB~C^r:|vV-!40!+|:RRRr/rErErDr
+DrCrCrB*Cr:|vV-!40!|:/rCERECRFCRECrDrBrCrA-rFrGR+C-*C+:||:|:/rE-*G/r+
+D-*G/r+C-*G/r+B-*G+:|-/r/C~E~^G/r/+C~E~^G/r/F~+A~-^C/r/E~G~^C/DrBrCr-
+ErFrGr+Cr-Cr+*:|