New in version 2.0.
True when notes and chords in expr are within traditional instrument ranges:
abjad> staff = Staff("c'8 r8 <d' fs'>8 r8")
abjad> instrumenttools.Violin()(staff)
Violin()(Staff{4})
abjad> instrumenttools.notes_and_chords_in_expr_are_within_traditional_instrument_ranges(staff)
True
False otherwise:
abjad> staff = Staff("c'8 r8 <d fs>8 r8")
abjad> instrumenttools.Violin()(staff)
Violin()(Staff{4})
abjad> instrumenttools.notes_and_chords_in_expr_are_within_traditional_instrument_ranges(staff)
False
Return boolean.