Friday the 13th is not generally looked upon as an auspicious day. However this particular Friday the 13th proved both felicitous and fortuitous for those salseros and salseras fortunate enough to attend the 70th anniversary performance by the legendary Cuban conjunto band Orquesta Aragon. For fans of this legendary ensemble, also known as La Madre de las Charangas Cubanas (The Mother of The Cuban Charangas) as well as La Charanga Eterna, this was a special evening, one those in attendance will