The phrase "an additional appearance" is correct and usable in written English.
It can be used when referring to an extra instance or showing up of something or someone, often in contexts like events, performances, or presentations.
Example: "Due to popular demand, the artist has agreed to make an additional appearance at the festival."
Alternatives: "a further appearance" or "an extra appearance".
This week Forbes received a copy of a letter addressed to Maier requesting an additional appearance in front of the SEC, stating: "…the 'Commission' would like to interview you in connection with the above-captioned matter [Re: In the Matter of Certain Initial Public Offering Allocations]." Maier will likely honor the request.
Also made an additional appearance in the live Comic Relief episode.
The following week, she performed "We Belong Together" at the 2005 BET Awards, with an additional appearance at the annual VH1 Save the Music special, filmed live on April 17 from the Beacon Theatre.
But Ms. Palin declined to do any additional appearances.
No plans have been announced for any additional appearances by Ms. Fey as Ms. Palin, but the wig has been stored for safekeeping.
Bill Burton, a spokesman for the Obama campaign said, "Both campaigns have indicated that any additional appearances will be open to all networks for broadcast on TV or Internet like the presidential commission debates rather than sponsored by a single network or news organization".
However, they did not make any additional appearances on the show in its second season.
When the above mentioned two VPSPr cases, with extreme differences between frontal cortex and cerebellum PrPres patterns, were used to seed PMCA reactions, only the ~19 and ~23 kDa bands present in the cerebellum were amplified with the additional appearance of a band at ~30 kDa.
"We do not believe it would be in the interest of the membership as a whole if one player was allowed a different contract which could give that player additional appearance money.
In the negative feedback case where the polymorphic locus is activated by the other locus, the cis-variation creates the same allele interaction sign motifs as negative autoregulation except for the additional appearance of the [0 0 0] sign motif at a low frequency.
By committing half his time, he made closer to $150,000, including $10,000 for taking the yellow belt at Nathan's, plus additional appearance fees associated with the event.
