The phrase "a record once" is not correct and lacks clarity in written English.
It could be used in a context where you are referring to a specific instance of recording something, but it needs more context to be meaningful.
Example: "I remember a record once that changed the way I viewed music."
Alternatives: "a single record" or "one record".
It may be a record once dismissed as unlistenable bilge, now on high iPod rotation.
Can Bryant outdo himself and eclipse Chamberlain's 100 points, a record once thought untouchable?
Other lawmakers facing potentially difficult re-election bids, like Senator Patty Murray, Democrat of Washington, have built careers serving on the spending panel and emphasizing state projects, compiling a record once widely seen as enviable but now being challenged by opponents.
He points to other advantages such as being decentralized so that no single company can control the data on the blockchain, and of course nobody can erase a record once it's been written to the chain.
Wikimedia Foundation, the non-profit organization that operates Wikipedia and other sites, this morning announced that they've raised $20 million from more than a million donors, shattering a record once again.
His performance surpassed a record once held by LeBron James, whose Olympic tally stands at 262 points. .
For example, you can't cancel a recording once you start.
Lyricist Lauren Gundrum and songwriter Joel Esher have woven the tale of Shkreli purchasing the Wu Tang Clan's one-of-a-kind record Once Upon a Time in Shaolin for $2 million into a series of musical numbers.
For example, Cobalt is a centralized, standard trading system that uses Babylon to create a unique record once a shared contract between a buyer and seller is completed.
This year, a similar assignment was withdrawn from a pastor with a comparable record, once it came to light.
It may be possible to determine a value for a "rare" record once you have determined that it is truly rare.
