Describir: Quieting a lecture Hall

 _    _      ___      _  _     _____     ______    _____                ___    
| || | ||   / _ \\   | \| ||  |  ___||  /_____//  |  ___||     ___     / _ \\  
| || | ||  / //\ \\  |  ' ||  | ||__    `____ `   | ||__      /   ||  / //\ \\ 
| \\_/ || |  ___  || | .  ||  | ||__    /___//    | ||__     | [] || |  ___  ||
 \____//  |_||  |_|| |_|\_||  |_____||  `__ `     |_____||    \__ || |_||  |_||
  `---`   `-`   `-`  `-` -`   `-----`   /_//      `-----`      -|_|| `-`   `-` 
                                        `-`                     `-`