<form method="post">
<table>
<tr>
<td style="text-align:right">Artista:</td>
<td><input type="text" name="artist" /></td>
</tr>
<tr>
<td style="text-align:right">Titulo:</td>
<td><input type="text" name="title" /></td>
</tr>
<tr>
<td style="text-align:right">Capa (link):</td>
<td><input type="text" name="cover" /></td>
</tr>
<tr>
<td colspan="2">
<center>
<input type="submit" style="margin-top:20px" />
</center>
</td>
</tr>
</table>
</form>

if (isset($_POST['submit'])){
   $dbhost = 'HOST';
   $dbuser = 'USER';
   $dbpass = 'PASS';
   $conn = mysql_connect($dbhost, $dbuser, $dbpass);
   $artist = strtoupper($_POST[artist]);
   $title = strtoupper($_POST[title]);
   $cover = $_POST[cover];
   if(! $conn )
   {
  die('Could not connect: ' . mysql_error());
   }
   $sql = "INSERT INTO 'MusicList'('artist', 'title', 'cover', 'votes') VALUES ('".$artist."', '".$title."', '".$cover."', 0)";
mysql_select_db('DATABASE_NAME');
   $retval = mysql_query( $sql, $conn );
   if(! $retval )
   {
  die('Could not enter data: ' . mysql_error());
   }
   echo "<center><h1>Success!</h1></center>";
   mysql_close($conn);
   }