Query a list in frontmatter

[arturnowak]

I'm new to Obsidial and I can't figure out how to query a property in frontmatter, which contains a list of multiple values. Here is an exmaple:

---

song-title: Love Me Do
composers:

• "[[John Lennon]]"
• "[[Paul McCartney]]"

---

How to get a list of documents where "composers" contains "Paul McCartney" (not necesarily composed wiht John Lennon)?

Note that "Paul McCartney" is a wikilink, the reason is that I want to use backlinks to show me all documents where ""Paul McCartney" is entered in "composers" property in the frontmatter.