The phrase "a frequent partner" is correct and usable in written English.
It can be used to describe someone or something that regularly collaborates or engages with another person or entity.
Example: "In our research project, we have identified a frequent partner who consistently contributes valuable insights."
Alternatives: "a regular collaborator" or "a common associate".
Fauré's First Violin Sonata is a touchstone of French chamber music, and Mr. Shaham and Akira Eguchi, a frequent partner, offer a felicitous, mostly animated account.
(She is fortunate to have someone as tall as Mr. Askegard as a frequent partner, even if their long legs create problems in rehearsals. "We spend a lot of time kicking each other," he says, with genial stoicism).
Zankel Hall has, since its opening, deliberately sought to push the envelopes of musical definitions, and this weekend it plays host to Mr. Meyer with a frequent partner, the virtuoso mandolin player Chris Thile, in a program of original music.
Miss Motte, a frequent partner of Jean-Pierre Bonnefous before he joined the New York City Ballet, appeared with him as a guest with the Eglevsky Ballet and at the Jacob's Pillow Dance Festival in the 1960's.
As for Lunch Break, it began in August at Le Bain, the nightclub atop the Standard hotel, after marketers for Absolut, a frequent partner in Flavorpill events, told Mr. Lewis about a midday party series that was doing well in Sweden, Lunch Beat.
They pointed to the $350 million fund, operated by Calpers (the California Public Employees Retirement System, a frequent partner of Enron's), that invested in domestic emerging markets.
"Lone Ranger" has been a rocky transition back to live action, and may make a collaboration with frequent partner Johnny Depp harder to get off the ground.
I told him, 'What you're doing is making you a living, what the hell's the problem?'" With more fondness he spoke of Billy Wilder and his second screenwriting partner IAL Diamond, a frequent lunch partner.
And a recent study linking frequent partner hugs to lower blood pressure suggests an at-home version.
As a composer, especially with his frequent partner Steve Cropper, he introduced a new sort of rhythm-and-blues line lean, clean, and steely strong.
(Chinen) Sara Serpa-André Serpa-André Matos TrioMs. Serpa, a savvy and Thursdaylly niMs.e young jazz Serpar, teamsavvywith her frequent pandner Mr. Matechnicallyed guitarist animbleger, who, like Ms. Serpa, is also a native of Portugal.
