New in version 2.3.
Detach tempo marks attached to component:
abjad> score = Score([])
abjad> staff = Staff("c'4 d'4 e'4 f'4")
abjad> score.append(staff)
abjad> tempo_mark = contexttools.TempoMark(Duration(1, 8), 52)
abjad> tempo_mark.attach(staff)
TempoMark(Duration(1, 8), 52)(Staff{4})
abjad> f(score)
\new Score <<
\tempo 8=52
\new Staff {
c'4
d'4
e'4
f'4
}
>>
abjad> contexttools.detach_tempo_marks_attached_to_component(staff)
(TempoMark(Duration(1, 8), 52),)
abjad> f(score)
\new Score <<
\new Staff {
c'4
d'4
e'4
f'4
}
>>
Return tuple of zero or more tempo marks.