The sentence has a grammatical error. "Musical taste" is singular, so it should be "One of the musical tastes" to match in number. Here's a corrected version:
"One of the musical tastes that no one knows about me."
### Meaning
The sentence means that the speaker has a particular preference in music that they have not shared with anyone else.
### Rephrasing
Here are a few ways to rephrase the sentence:
1. "I have a musical taste that no one