Numbered musical notation and so on. Dashes after a note lengthen it, each dash by the length of a quarter note. A dot after the plain or underlined note works increases its length by half, and two dots by three quarters. The underline, along with its joining, are analogous to the number of flags and beaming in standard notation. So are dotted notes. But the analogue stops at notes worth three quarter notes and beyond, where dashes are used instead. The number "0" represents the musical rest. The rules for length is similar to that of the note, except that it is customary
Chinese musical notation be used. Traditionally, the Gongche notation was written vertically from right to left, but horizontally is also accepted nowadays. Additionally, this system was also introduced to Korea, aka gong jeok bo in ancient music, and also Kunkunshi, a Ryukyuan musical notation still in use for sanshin. The "Jianpu" system uses numbers to notate music. It is common in East Asia including Taiwan, Japan, and Mainland China. The notation was first invented by a French named Jean-Jacques Rousseau in 1742. It had gained widespread acceptance by 1900. It uses a movable "do" system, with the scale degrees 1, 2, 3, 4,