Which pianist addresses vital committee? (8)
I believe the answer is:
keyboard
'which pianist addresses' is the definition.
I can't judge whether this definition defines the answer.
'vital committee?' is the wordplay.
'vital' becomes 'key' (key can mean important).
'committee?' becomes 'board' (board is a kind of committee).
'key'+'board'='KEYBOARD'
Can you help me to learn more?
(Other definitions for keyboard that I've seen before include "Part of piano. computer, etc" , "One produces notes" , "way to enter data" , "Type" , "Computer input device" .)