).May this celebration really begins on the evening of April 30 and continues through the early morning of May 1, during which, gangs of young men ( and now also wenches ) dedicated their songs to the beloved women ( wives, girlfriends, family ) in what is called " ladies night " .It starts with a traditional song called " in May ", in which, through its various stanzas ( the first of which is to apply for leave of the lady), they will " draw" the perfections of a woman's body