debe funcionar si, seguramente que no estás seleccionando bien los links, fijate que "scrollable" contenga los links
Código HTML:
Ver original<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
$(function (){
$('a').mouseenter(function(){
var titleArt = $(this).attr('title');
$('#info_table').fadeIn(500).text(titleArt);
});
$('a').mouseleave(function(){
$('#info_table').fadeOut(100);
});
})
<a title="1ntelivizi0n"><img src="images/artists/1ntelivizi0n.jpg"></a> <a title="A phone call"><img src="images/artists/A_phone_call.jpg"></a> <a title="Alex Deejay"><img src="images/artists/Alex_Deejay.jpg"></a> <a title="Alex DeLarge"><img src="images/artists/Alex_DeLarge.jpg"></a>