Under six (including) years of age
Over six years, and under thirteen (including) years of age
Overthirteen year, and under eighteen (including) years of age
D.Open ：Any age
(for chromatic and tremolo , the designated muisicpiece is set)
designated muisic piece for chromatic is Eastern Fantasia，Composed by MUI KWONG CHIU
designated muisic piece for tremolo is Jiang Yang Capriccio，Composed by MUI KWONG CHIU
Over40 years, and under Sixty years of age
Chromatic solo and tremolo solo
Over sixty (including) years of age
Any age and number of contestant, with a minimum of 1 member playing the harmonica.
H.tremolo solo with accompaniment
students group(under eighteen years old)
Adult group(over eighteen years old,inclueded eighteen years old)
I.“Bai yansheng Cup”chromatic harmonica elite competition:for any agea nd anyone,2020APHF judgers and guests are OK.