The phrase "a theme based on" is correct and usable in written English.
It can be used when discussing the central idea or subject of a work, such as a book, movie, or artwork, that is derived from a specific source or inspiration.
Example: "The novel presents a theme based on the struggles of identity in a multicultural society."
Alternatives: "a theme derived from" or "a theme inspired by".
You can choose a theme based on any one of these as per your child's choice.
The work pleased the authorities, although Prokofiev expressed his frustration with the regime in covert ways, like using a theme based on Schumann's song "Sadness".
It might be a nautical theme for a yacht club or a theme based on the artifacts of the particular region in which a hotel is located.
These represent variations on a theme, based on a simply stated design principle, that captures the key qualitative features of the system in a largely mechanism-independent fashion.
Bach didn't complete the grandiose four-part final fugue, which was meant to culminate in a theme based on the letters of his name (B flat, A, C and B natural, in German parlance).
WEDNESDAY -- A tea party for children at the Plaza, with a theme based on the Eloise character by Kay Thompson, will benefit the social service programs of Grosvenor Neighborhood House Y.
For more information on creating a new theme based on an existing one, check out this guide.
Yet within this often dense harmonic cloud, Mr. Dalbavie placed a recurring theme based on a straightforward descending scale that made its way from piano to strings and back, as if it were the grandest of musical ideas.
At the 2008 London Fashion Week, Deacon presented a collection with a futuristic theme based on the 1980s arcade game Pac-Man.
A new theme, based on a melodic fragment from the second thematic group of the exposition, is presented in this section over recurrent rhythmic figuration, and then developed, undergoing successive transformations.
Gill Lewis has written three adventure stories with a conservation theme based on close observation of a particular, at-risk animal.
