The phrase "a performance which is" is correct and usable in written English.
It can be used to describe a specific type of performance or to elaborate on the characteristics of a performance.
Example: "The play was a performance which is both captivating and thought-provoking."
Alternatives: "a performance that is" or "a performance which demonstrates".
But an Oscar for Samuel L Jackson in Pulp Fiction would honour a performance which is just iconic, part of movie history.
Direct application of the optimization procedure results in devices with a performance which is very sensitive to geometric manufacturing errors (under- or over-etching).
The interaction between resonant inclusions and host structure can lead to a performance which is superior to the ones of any of the constituent materials.
"The high ceilings give the room an amazing natural reverb and that can often be quite forgiving and flattering to a performance, which is really useful while you're figuring out arrangements.
The youngster registered his first international goal and picked up the man of the match award in England's victory over France on Tuesday night, a performance which is thought to have accelerated Tottenham's plans to open talks.
The swellable polymeric fibre optic sensor shows a response of 34.2 dB in the presence of water, a performance which is superior to that seen form other swellable polymeric fibre optic sensors reported so far.
Despite the frantic conclusion, Wenger was impressed by a performance which was, for 85 minutes, professional and focused.
"In the Champions League round-of-16 against Atletico Madrid he produced a performance which was viewed as one of the worst ever and it was the final straw.
The Russian composer debuted The Rite of Spring in Paris in 1913, a performance which was reported to have sparked a riot in the theatre.
We'll keep our heads down, keep working hard and hopefully get closer to the pack". United were resolute defensively and capable on the break; elements of a performance which were real positives for Paatelainen.
Among them was the première of a revised version of Vaughan Williams's A London Symphony, a performance which was "rather spoilt by a Zeppelin raid".
