guided gallery tour; gallery talk
A guided tour or talk given in an art museum or gallery, often by a curator or artist. Wasei-eigo; the English 'gallery talk' is not used in the same way.
wasei-eigo (Japanese-coined English), from gallery talk
I joined a gallery talk led by the curator.
A gallery talk will be held on the last day of the exhibition.
Wasei-eigo from English 'gallery' and 'talk', referring to a guided tour or talk in an art museum or gallery.