Hello I am new to this site...yes I am...my name is...eh? eh? Colin...
I would like to contribute to you "high jinkery".
CLUE
Grant,myself, extremely outspoken, is German keyboard player (12)
Explanation below:
Grant - ACCORD (see Collins, meaning 8)
myself = I
expremely outspoken = ON
is German = IST
keyboard player = definition