2005 – 2007 had Karen traveling and flexing her interpretative muscles in multiple genre.

She took her jazz standards and Boswell Sisters songbook (which she’s been covering since the mid-90s) to the A-Trane and the BKA Theater in Berlin, her family home.

She created a new musical theater tribute for the Jermyn Street Theater in London called Speak Low: The Love of Lenya and Weill.

Back home, her tribute to jazz legend Connee Boswell at Carnegie Hall in the showcase “1907: It Was a Very Good Year earned her an Aggie Award for “Best of 2007”. She introduced on stage that night, jazz/stride pianist Jon Weber and Pete and Will Anderson on reeds and woodwinds.

In theater and political cabaret, she premiered a new solo project, The Banned Songs of the Weimar Republic, at the Center for Jewish History.

In cabaret she teamed with KT Sullivan, Jeff Harnar and Craig Rubano for A Marvelous Party, a tribute to Noel Coward. The show went on to win the 2006 MAC (Manhattan Association of Cabarets and Clubs) Award for “Best Revue/Musical Production”.

Her Kabarett Kollektif took honors at the 2006 Nightlife Awards for “Unique Cabaret Performance.”