WiseGuys has the Yanni pre-sale password: For a limited time you can acquire your concert tickets before anyone else. 
You don’t want to miss Yanni’s concert in Baltimore, MD do you? Tickets could sell fast once they go on sale: during the pre-sale you can order your tickets before they sell out!!
Yanni show info:
Yanni
The Lyric
Baltimore, MD
Fri, Jul 8, 2016 08:00 PM
Onsale to General Public
This Presale Starts at: Mon, 04/11/16 10:00 AM EDT
End: Fri, 07/08/16 08:00 PM EDT
Fanclub/Venue Presale
This Presale Starts at: Wed, 04/06/16 10:00 AM EDT
End: Sun, 04/10/16 10:00 PM EDT
You can use the following pre-sale passwords and information to buy your tickets: Access this Presale Password on TMPresale.com