def _get_corresponding_offsets(onset_fronts, onset_front_id, onsets, offsets):
    """
    Gets the offsets that occur as close as possible to the onsets in the given onset-front.
    """
    corresponding_offsets = []
    for index in _get_front_idxs_from_id(onset_fronts, onset_front_id):
        offset_fidx, offset_sidx = _lookup_offset_by_onset_idx(index, onsets, offsets)
        corresponding_offsets.append((offset_fidx, offset_sidx))
    return corresponding_offsets