The brass section consists of horns, trumpets or cornets, trombones, euphoniums, and tubas. In instruments with a fourth valve, such as tubas, euphoniums, piccolo trumpets, etc. Drum and bugle corps players, however, generally use marching tubas or Contrabass bugles. Taylor voices mainly brass instruments such as tubas and trumpets, and even a kazoo. Soon after, other instruments such as tubas and saxophones were added. Some Wagnerian orchestras included multiple harps, massive string sections and Wagner tubas. It is country style music usually including instruments such as tubas and accordions. Grand orchestral tubas are generally described as tubas. Tubas are made with either piston or rotary valves. Some tubas are capable of being converted into a marching style, known as "marching tubas". Notable is the use of Wagner tubas in his last three symphonies. The tubas are too loud for the intended sound. The smaller solo tubas were enclosed in the solo box. Other campuses operate in al-Bireh next to Ramallah and Tubas.