WiseGuys has the Tycho pre-sale code: When the Tycho presale starts, everyone who has the password will have the opportunity to buy great show tickets before the public. presale password for Tycho tickets in a city near you (in a city near you) You don’t want to miss Tycho’s show in a city near you do you? Tickets will sell out when they go on sale: during the pre-sale you can acquire your tickets before they sell-out!
Here are the Tycho show details:

Tycho

(Presale begins in the local timezone of the show)
Sep 6 – Greek Theatre-U.C. Berkeley, Berkeley, CA

Onsale to General Public
Fri 05/17/19 10:00 am

Spotify/Artist Presale
Start: Wed 05/15/19 10:00 am
End: Thu 05/16/19 10:00 pm

You can use this presale passcodes and information to buy your tickets:

Presale Passwords are for Members Only

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WiseGuy suggests: If passes seem sold out exactly when a presale begins, keep trying! Livenation might say there aren’t any tickets available to buy, but keep trying for a little while, you might be surprised at what becomes available!