Corde Della Mia Chitarra
...that Italy's 1957 Eurovision entry, "Corde Della Mia Chitarra", was so long that it resulted in the introduction of length restrictions for competing songs?
...that <a href="./Italy" id="mwA6E" rel="mw:WikiLink" title="Italy">Italy's</a> <a href="./Eurovision_Song_Contest_1957" id="mwA6I" rel="mw:WikiLink" title="Eurovision Song Contest 1957">1957 Eurovision</a> entry, "<b id="mwA6M"><a class="mw-redirect" href="./Corde_Della_Mia_Chitarra" id="mwA6Q" rel="mw:WikiLink" title="Corde Della Mia Chitarra">Corde Della Mia Chitarra</a></b>", was so long that it resulted in the introduction of length restrictions for competing songs?