casually ask for a carton of Gauloises and a carton of Picayunes, and a NEW YORK POST with her face on it (lines 24-25)
Even the speaker's cigarettes are French! Gauloises are a brand of French cigarettes associated with French café culture and artists like Jean-Paul Sartre.
while she whispered a song along the keyboard to Mal Waldron and everyone and I stopped breathing (lines 28-29)
For all his knowledge of high culture – especially literature, theater, and painting – the narrator's most intense artistic experience in the poem comes from a "popular" art form – jazz. Holiday's singing leaves everyone in the room breathless.