The phrase "collaboration so far" is correct and usable in written English.
You can use it when referring to any cooperative process that has occurred up to a particular point in time. For example, "Our collaboration so far has been successful in facilitating our overall project goals."
It has been a terrific collaboration so far".
Of the collaboration so far, he says: "It was an honest proposal and we weren't disappointed".
The show is the most intimate collaboration so far between Ms. Stritch and her longtime musical director and pianist, Rob Bowman.
Their collaboration so far has been limited to speculative conversations over lunch; after all, they still have to finish their current research projects.
The fruits of their collaboration so far amounts to the seven-track EP True, all of which is performed tonight, "Look Good with Trouble" sounding particularly sublime (even if lead track "Losing You" gets the biggest cheers).
Granted, every collaboration so far has brought critical distinguishment for both actor and director: Russell was praised for the emotional warmth lighting up Silver Linings Playbook, Lawrence was hailed as the whirlwind stirring at the centre of American Hustle.
Our collaborations so far with Lettieri have all mainly operated on a great deal of risk taking and spur-of-the-moment, last-minute shoots.
If Mr. Snowden, through Ms. Poitras, showed parts of his trove to Der Spiegel, it would mark an expansion of his journalistic collaborations, which so far have included The Guardian, The Post and The South China Morning Post of Hong Kong.
Among the Grammy night collaborations announced so far for Sunday's show: rapper Kanye West with Rihanna and McCartney, Annie Lennox with Hozier, Gwen Stefani with Adam Levine and Tom Jones with Jessie J.
Despite the stereotype of writer as lonely creator, for author Reif Larsen this circle of collaboration isn't so far away from the process of producing a traditional novel.
