Eder performed an array of Broadway classics at the event.
Ruthie Ann Miles originated the role in the Public Theater production.
Timeless celebrates three generations of the great, American songbook.
The new drama is written by Sharyn Rothstein.
The new play at The Public Theater is written and directed by Young Jean Lee.
The evening will also celebrate the work of producer Fran Weissler.
The Tony-winning artist will receive support for a two-year period.
The show will run as part of the 2014 Musicals in Mufti series.