Sentence examples for a high note from inspiring English sources

"a high note" is a correct and common phrase in written English.
It is often used to describe a positive or impressive element of something, such as a performance or a speech. Here are two examples: 1. "The singer ended her concert on a high note, hitting a powerful high note that left the audience cheering." 2. "The meeting concluded on a high note, with everyone feeling optimistic about the future plans discussed."