_peak_amplitude_label.set_name ("AudioRegionEditorLabel");
_peak_amplitude_label.set_text (_("Peak amplitude:"));
_peak_amplitude_label.set_alignment (1, 0.5);
_table.attach (_peak_amplitude_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (*b, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;
_peak_amplitude_label.set_name ("AudioRegionEditorLabel");
_peak_amplitude_label.set_text (_("Peak amplitude:"));
_peak_amplitude_label.set_alignment (1, 0.5);
_table.attach (_peak_amplitude_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (*b, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;