亂彈

Etymology
An originally derogatory term referring to the tuning system of seven equal divisions of the octave used by local Chinese opera/theater forms during the Qing Dynasty; this system was regarded by some as inferior to the Pythagorean system of tuning, with its twelve divisions of the octave, which had been used during the Ming Dynasty.

Noun

 * 1)  various forms of local Chinese opera that arose during that time
 * 2)  one of the two major types of vocal music in Hunanese opera
 * 1)  one of the two major types of vocal music in Hunanese opera
 * 1)  one of the two major types of vocal music in Hunanese opera