The phrase "a host of performances" is correct and usable in written English.
It can be used to describe a large number or variety of performances, often in the context of events, shows, or artistic displays.
Example: "The festival featured a host of performances, ranging from classical music to contemporary dance."
Alternatives: "a multitude of performances" or "a variety of performances".
Although each fair has the requisite roster of lectures and guided tours, there's also a host of performances.
The rest is (recent) history: since then she has zoomed to the top of her field with a host of performances and some excellent recordings.
In the spirit of the 1951 Great Exhibition for which RFH was built, The Overture includes 24,000 free tickets to concerts inside the newly restored auditorium as well as a host of performances and activities in foyers and outside.
The awards will also feature a host of performances to review the year, as well as collaborations between well-known artists and the BBC Concert Orchestra.
The ceremony at the O2 Arena also featured a host of performances, including from Beyonce and Katy Perry, who put on a colourful, Egyptian-themed show.
She introduces a host of performances, from artists including Edinburgh-born folk singer Karin Polwart, Scottish virtuoso percussionist Dame Evelyn Glennie, star soprano Danielle de Niese and violinist Nigel Kennedy.
During her tenure as a DAC executive, she managed a grant program for Emerging Artists, helped paved the way for the American Dance Festival's relocation to Durham, and made possible a host of memorable performances including many concerts a folk festival featuring Pete Seeger, and several performances by the Triangle Opera.
There is also a host of vibrant performances.
From 1960 onwards, Hijikata directed a host of solo performances featuring Ohno.
I was often aware of a host of individual performances — some of them very artful — that didn't necessarily link into the others.
