b.openHorizontalhideBox("");
b.create_master_slider(PARAM("drive"), 0);
b.closeBox();
b.openHorizontalBox("");
b.insertSpacer();
b.create_small_rackknobr(PARAM("drive"), 0);
b.create_small_rackknob(PARAM("level"), 0);
b.create_small_rackknob(PARAM("tone"), 0);
b.insertSpacer();
b.closeBox();
