New in version 2.3.
Get instrument marks attached to component:
abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> contexttools.InstrumentMark('Flute', 'Fl.')(staff)
InstrumentMark(instrument_name='Flute', short_instrument_name='Fl.')(Staff{4})
abjad> f(staff)
\new Staff {
\set Staff.instrumentName = \markup { Flute }
\set Staff.shortInstrumentName = \markup { Fl. }
c'8
d'8
e'8
f'8
}
abjad> contexttools.get_instrument_marks_attached_to_component(staff)
(InstrumentMark(instrument_name='Flute', short_instrument_name='Fl.')(Staff{4}),)
Return tuple of zero or more instrument marks.