The most common and most likely answer to this crossword clue is the 8 letter word COMPOSER
I've seen this crossword clue in The Times
C
O
M
P
O
S
E
R
More clues leading to the result COMPOSER
- Bliss, perhaps found in competition puzzle sharing quietly.
- Scorer's firm marks a problem
- Berlin? Arriving in western half affected one
- Bliss perhaps from business model netting millions
- Noted person about to be given honour — affected type
- Waste processor having no time for musician
- He scores recycling bin after emptying tons
- Writer of notes scribbled poems in company car in the end
- Show-off behind comedy writer
- Morse, cop playing Wagner perhaps
Buddy explains!

The straight part
We know that "Berlin?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case berlin? = composer.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does COMPOSER mean?
COMPOSER noun- One who composes; an author.
- One who, or that which, quiets or calms.