The phrase "alert performance" is correct and usable in written English.
It can be used to describe a state of being attentive and responsive in a performance context, such as in sports, music, or any task requiring focus.
Example: "The athlete's alert performance during the final match secured their victory."
Alternatives: "vigilant performance" or "attentive performance".
This is a wonderfully alert performance, mixing novel tempi with awesome technique and breathtaking, tingling tension.
This startlingly alert performance has been largely forgotten, but it's available on video.
Mr. Abel drew a stylish and alert performance from the company chorus and the New York Arts Orchestra.
The alert performance was marred only by the violinist Davide de Ascaniis, who didn't broaden his straightforward style to encompass the wistfulness of the work's opening or the raptures of the Andante.
It's a mark of Seno's ingenuity to depict the movie's minuscule moments with dramatic urgency, to invest them with an intricately detailed intimacy, centered on Agoncillo's poised, alert performance.
It's a beautifully alert performance: except when she plays with her son or lets herself zone out at the local fashion mall, she's as wary and watchful as a soldier sensing snipers on every rooftop.
Mr. Langrée has achieved a wonderful rapport with these players, and he led them with supple understatement, yielding alert performances of a springy resilience that seemed particularly Mozartean.
There is of course ample reason for young musicians to spend quality time with Mozart, and the orchestra's zesty, alert performances left a listener with the impression that these players were happy for the opportunity.
Richardson infuses her hyper-alert performance with a rare dialectical ardor; her avid gaze at the city's landmarks is matched by Kogonada's own images, which capture the virtual libido of aesthetic sensibility.
The attentional-blink paradigm (Raymond, Shapiro, & Arnell, 1992) is another measure of orienting and alerting performance.
Lothar Koenigs conducted an alert, unfussy performance.
