This is the eleventh edition of the Princess Galyani Vadhana International Ensemble Competition for the prestigious H.R.H. Princess Maha Chakri Sirindhorn’s Trophy. Through this annual event, we have developed a platform for young emerging musicians to encourage them to share their talents on an international stage, and to create opportunities for the public to appreciate their musical gifts. 

The competition is open to musicians of all nations and will be conducted onsite at the Princess Galyani Vadhana Institute of Music. 

All performers must be born on or after June 1, 1997.

Category A: Duo for Piano and another instrument OR Duo for Two Pianos
Examples: Sonata for violin and piano, Sonata for clarinet and piano, Duo for harp and piano and Sonatas for two pianos.

Concerto for solo instrument and orchestra accompanied by piano, and pieces for four hands on one piano are NOT allowed.

Category B: Chamber Ensemble (3 to 8 performers)
Examples: Trio for violin, cello, and piano, String quartet, Quintet for guitar and strings, Sextet for winds or Saxophone quartet.

Category A: Duo for Piano and another instrument OR Duo for Two Pianos

Preliminary Judging
The recording should contain:
1. A piece or one movement of a piece from the Baroque, Classical, Romantic, or Modern period, composed and published between 1700 and 1970, selected from Repertoire Point 1 of the Competition Round.
2. A contrasting piece or a movement of a piece from a different period, selected from Repertoire Point 2 of the Competition Round.

Competition Round
No more than ten duos will be admitted.
The performance should contain:
1. A complete work or movement(s) from the Baroque, Classical, Romantic, or Modern period, composed and published between 1700 and 1970. Duration: At least 6 minutes.
2. Another piece or movement(s) in a different period and style from Repertoire Point 1.

The total performing time (including intervals between pieces) must amount to at least 15 minutes but must not exceed 25 minutes.

Original works are recommended. Arrangements with published score are allowed, self-arrangements are NOT allowed. 

Repeats are at the discretion of the competitors.
The substitution of ensemble member(s) is not allowed.

Category B: Chamber Ensemble (3 to 8 performers)

Preliminary Judging
The video recording should contain:
1. A piece or one movement of a piece from the Baroque, Classical, Romantic, or Modern period, composed and published between 1700 and 1970, selected from Repertoire Point 1 of the Competition Round.
2. A contrasting piece or a movement from a different period than Point 1, selected from Repertoire Point 2 of the Competition Round.

Competition Round
• No more than ten ensembles will be admitted.
• The performance should contain:
1. A complete work or movement(s) from the Baroque, Classical, Romantic, or Modern period, composed and published between 1700 and 1970. Duration: At least 6 minutes.
2. Another piece or movement(s) in a different period and style from Repertoire Point 1.

The total performing time (including intervals between pieces) must amount to at least 15 minutes but must not exceed 25 minutes.

Arrangements are allowed, but published/printed score must be provided.
Repeats are at the discretion of the competitors.

Substitution of ensemble member(s) is not allowed.

Category A: Duo for Piano and another Instrument OR Duo for Two Pianos
1st Prize 50,000 THB
2nd Prize 40,000 THB
3rd Prize 30,000 THB

Category B: Chamber Ensemble
1st Prize 100,000 THB
2nd Prize 80,000 THB
3rd Prize 60,000 THB

Special Prize for both categories can be award according to the final judging.

All participants of the Competition Round will receive a certificate of participation.

The prizewinners are obliged, according to the wishes of the jury and the organizer, to participate in the Awards Ceremony and Prizewinners' Concert, otherwise they will lose their right to the prize awarded.

Fees may not be claimed by any competitor, also not on account of television broadcasts or recordings made during the whole competition.