4 songs. China Conservatory of Music's guzheng exams range from Level 1 to Level 10. For each level, there is a compulsory piece, and there is also one piece that you can choose at will, up to two pieces. Level 7 and Level 8 require two exams, so the China Conservatory of Music guzheng exam for Level 7 and Level 8 requires you to play 4 pieces of music together. Things to note when taking the guzheng exam: relax, don’t take the exam too seriously, and treat it with a normal mind.