A: Yes, Bach, known as the "father of music", often remains anonymous in his works.
In german, the note Bb is pronounced as b, and the MINUS b is pronounced as h; In this way, B-A-C-H becomes Bb-A-C-B, as shown in the following figure:
In most cases, Bach directly uses this order (cross) as a motivational fragment in his works, and sometimes he slightly disrupts the order, such as ascending or descending. There are many ways to cross itself, but they all meet the requirement that the left and right sounds outside must be on the same line or the same line, and the interval between the two sounds in the middle is 1 line, as shown in the following figure:
In fact, many classical musicians have also "stolen" Bach's motivation to compose music, and sometimes they will honestly name the music directly as Liszt's Fantasia and Fugue on the Theme of b-a-c-h for the organ or Schumann's Six Fugues for Bach.
At the end of this article, it is a short film from Schumann's childhood scene. Did you find the hidden Bach signature? (hint: this time it's not the melody but the accompaniment! )