The phrase "actually a performance of" is correct and usable in written English.
It can be used to describe an event or action that is being presented or enacted, often in the context of art, theater, or music.
Example: "The concert was not just a musical event; it was actually a performance of the entire symphony."
Alternatives: "truly an enactment of" or "genuinely a presentation of".
I don't go to the theatre that often – I've actually never even seen a performance of Hamlet.
The film, reviewed favorably in The Times, chronicles a cross-country crusade by Reverend Billy of the Church of Stop Shopping, actually a performance artist, Bill Talen.
And yet, because of the ferocity of concentration on the part of the musician, and because of the range and imagination of what you hear, what you actually get when you hear a performance of his music is something definitive, direct and undeniable – a sheer thrill of musical extremity.
The joke is that the picture actually shows Mr. Feld himself, in a "Performance of the Only Part of Rauschenberg's 'Pelican' That I Know".
Actually, the performance of a rigid wall system on moderate and soft foundation strata has not been fully explored [5].
Actually, the performance of the SA algorithm starting with a population of initial solutions, which is generated by the CS algorithm, is compared with the performance of the SA algorithm starting with a single known initial solution.
We demonstrate that a small DNN trained in this way cannot only obtain lower WER than a small DNN sequentially trained with hard targets but can actually surpass the performance of a large sequentially trained DNN with SI features having an order of magnitude more parameters when a substantial amount of untranscribed data is used for training the small student DNN2.
Actually, the performance of the gas sensor based on Py-rGO is very stable for a long period time under normal operating conditions.
Actually, the performance of the appearance-based estimator depends strongly on the image descriptor, which should be chosen carefully in order to reduce the information about identity and lighting contained in the face appearance.
"We're a security company that actually improves the performance of the user's network by an order of magnitude," NeSmith says.
