The phrase "all the authenticity" is correct and usable in written English.
It can be used when discussing the genuineness or truthfulness of something, often in contexts related to art, culture, or personal expression.
Example: "The artist's work captures all the authenticity of the local culture, making it resonate deeply with the community."
Alternatives: "complete authenticity" or "full authenticity".
That play-acting parsimony had all the authenticity of a vintage floral frock from a Portobello stall or the jitterbug night at a trendy Shoreditch club.
To give this rarely heard masterpiece all the authenticity it deserves, the Philharmonic is bringing over a native cast (all making their débuts), the dancer Nuria Pomares, and the Coro Nacional de España.
Craving, Sparks and When We Were on Fire kick up weak and cynical flumes of plastic sawdust, delivered with all the authenticity of a Voice audition.
For me, that didn't happen in either "School of Rock" or "Prey for Rock and Roll," for all the authenticity and believability of the women in Clam Dandy.
The Gadget Show has had a tiny revamp and is now set in a Dragons' Den-style warehouse space, which resembles one of those chain coffee shops made over to look like a local business, with all the authenticity that wooden surfaces and exposed brickwork can muster.
New Labour's attempt to come across as market-savvy had all the mockney authenticity of a Guy Ritchie movie.
Recipe-wise it's an intriguing stretch from great versions of the standards (tortilla Catalan; clams in sherry) to those a bit more special (potatoes with almonds and saffron; goose with turnips and pears), all with interesting notes from Luard, and all in all, it's the authenticity that sings out from the pages that makes this a fave of mine".
It comes from the article, "All That Authenticity May Be Getting Old".
We see the book series as an introduction to a lifestyle of change, hope and healthy eating--all driven by the authenticity of a child's perspective.
But for all the festival's authenticity, don't be surprised to see a woman charging down the tournament field or little girls being knighted.
Then, every couple of years, she'll play an ancillary character in a big-budget movie like "Space Cowboys," in which she is the flirty, tech-talking scientist who throws herself at Tommy Lee Jones's aging astronaut, and all the depth and authenticity she can bring to a part isn't squandered.
