Double row key victory belongs to the seventh level track. Double Key Victory is a classic piece of Chinese national music composed by composer Liu Tianhua. According to the classification of the Chinese Music Grade Examination, Double Row Key Shengli belongs to the seventh level repertoire. The Chinese Music Grade Examination is an exam that evaluates the performance skills and theoretical knowledge of traditional Chinese music. The exam divides repertoire into ten levels, from Level 1 to Level 10. Each level has corresponding repertoire and technical requirements. Level 7 is a higher level in the exam and requires candidates to have certain performance skills and music theory knowledge.