"lunch concert" is correct and usable in written English.
You can use it to refer to a concert that takes place during lunchtime. For example, "The college held a free lunch concert in the main hall on Friday."
The shape-changing Britten Sinfonia and tenor Mark Padmore gave a blistering At Lunch concert at Wigmore Hall on Wednesday (also played in Brighton, Cambridge and Norwich).
Get your classical music fix for free every Tuesday with a lunch concert at the Dutch National Opera and Ballet, which celebrates its 50th anniversary next March with even more freebies.
Why not put on a nice short lunch concert by a world-class artist?
In addition to a photography exhibition, through Sept. 3, the museum plans outdoor lunch concerts on Wednesdays in July and August, with hip-hop, zydeco and classical music represented, too.
I've scored free drinks, boxed lunches, concert tickets, metro passes, free wifi, spa services and other perks not to mention room upgrades.
WHITE PLAINS Grace Church "Verklarte Nacht," string sextet in one movement performed as part of a half-hour lunch time concert series.
Tickets: $15 $100 for lunch-break concert (Midgette).
CAPE MAY "Bach's Lunch," mini-concert by members of the Bay Atlantic Symphony and tea luncheon.
In a lunch-hour concert on Thursday at Trinity Church, Mr. Hill developed that feeling into an enveloping sensation.
Proms, National Gallery lunch-time concerts and Wigmore Hall concerts where many French musicians appeared for the first time for years: Francis Poulenc, Pierre Bernac, Ginette Neveu and others.
ATHENS, Ohio -- The oil lobby was sponsoring rallies with free lunches, free concerts and speeches warning that a climate-change bill could ravage the U.S. economy.
