calling header declarations in score

[Jaime Oliver]

Hi all, 

I am not sure why this doesn’t work… any help?

best,

J



\modifiedNote = {
\tweak color #grey  
\tweak font-size #-2 
\tweak Accidental.color #grey 
\tweak Accidental.font-size #-2 
}

\relative c'' {

<a \modifiedNote c>4 f g h

}