[frogs] Picking up contents of \paper \layout and \midi blocks in Scheme

[Ian Hulin <ian@xxxxxxxxxxxx>]

Hi all,

I want to pick up attributes set in these blocks in Scheme.  I can successfully pick up the outermost blocks by doing things like

let* ((mymidi  ly:parser-lookup (parser '$defaultmidi))
     (keyval '() )
    (set! keyval (ly:output-def-lookup mymidi 'an-attribute)))


How do I pick up the contents of a locally declared \midi within a \bookpart, i.e not declared at the outermost level?

Cheers,

Ian Hulin