solo：

Chromatic Solo

One accompanist playing instrument other that harmonica, or BYO accompaniment playback device is allowed. One piano is supplied by the venue, no other instruments will be supplied. 

10 hole Diatonic Solo

One accompanist playing instrument other that harmonica, or BYO accompaniment playback device is allowed. One piano is supplied by the venue, no other instruments will be supplied. 

Tremolo solo

No accompaniment is allowed

Tremolo solo with accompaniment

One accompanist playing instrument other that harmonica, or BYO accompaniment playback device is allowed. One piano is supplied by the venue, no other instruments will be supplied. 

Duet

Duos (two harmonica players); No other instruments, choice of music piece with minimum of two harmonic parts 

Trios

Trios :No other instruments，choice of music piece with minimum of three harmonic parts

Chamber Music

(4-6 players) No other instruments, choice of music piece with minimum of four harmonic parts, no conductors

Harmonica Ensemble

Harmonica Ensemble (7-14 players) No other instruments, choice of music piece with minimum of four harmonic parts, no conductors 

Harmonica Orchestra

Harmonica orchestra (15+ players) Choice of music piece with minimum of four harmonic parts. A minimum of 80% of members playing harmonicas is required. Conductor is allowed and will not contribute to the overall number of players.

Remark：

All music must be performed completely. More than 40 groups for solo、duet、Trios、Chamber Music are set up for the preliminary and final.