What does the cryptic crossword clue "Secretly, Brahms and Liszt are manic (2,6)" mean?

The definition is "Secretly,". The wordplay uses an anagram. anagram of ARE + MANIC = IN CAMERA; definition: "Secretly," The answer is IN CAMERA.

Secretly, Brahms and Liszt are manic (2,6)

Times Cryptic #29229 | 11 Across | 2025-05-14 flower