Nordic Country represented: Denmark

Institution: The Royal Danish Academy of Music, Copenhagen

Name of present teacher: Prof. Jens Elvekjær 

Competition Repertoire​

Round 1


J.S. Bach: Prelude & fugue in G minor WTC book 2
J. Haydn: Sonata in F-major Hob. XVI/23, 1st mvt.
F. Liszt: Concert etude no. 2 “La Leggierezza
S. Rachmaninoff: Etude op. 33 no. 6, e-flat minor 

Round 2

W.A. Mozart: Sonata K. 283
R. Schumann: Sonata no. 3 “Concert sans Orchestre”


Round 3


​W.A. Mozart: Concerto no. 23, A-major K. 488 

F. Liszt: Transcendental Etude no. 10


Jonathan Siahaan (b. 1989) is a young Danish pianist who resides in Copenhagen and currently studies at The Royal Danish Academy of Music with Professor Jens Elvekjaer. He began receiving private piano lessons in the age of 6 with Japanese teacher Kyoko Kato and 3 years later with Russian teacher, Bella Zapolski. In the age of 12 he had his first debut with Copenhagen Festival Orchestra performing Chopins Piano Concerto no. 1.

Jonathan Siahaan has won several national prizes including 1st prizes in Steinway Piano Competition, Gold medal in Berlingske Tidendes Classical Music Competition, 1st prize in Danish Radiocast Competition called “Play for Life” which was broadcasted on national television, and 1st prize in The Royal Danish Academy of Music Piano Competition in 2016 and 2018. He has performed as soloist with orchestras such as Odense Symphony Orchestra, Danish National Chamber Orchestra and Danish National Symphony Orchestra and had his first solo recital in Tivoli Concert Hall, Copenhagen in 2012 in the age of 22 which was highly acclaimed by the press.

Beside his appearances as a soloist, Jonathan is also an active chamber musician and accompanist. He received chamber music lessons from Trio Con Brio Copenhagen, Lars Anders Tomter, Tim Frederiksen and Gerhard Shulz. He has performed with musicians such as Andreas Brantelid, Enrico Pace, Andrej Bielow, Sergei Malov etc. In 2016 he was accompanist for the contestants in The 10th Carl Nielsen Violin Competition. Jonathan Siahaan has proven to be one of the most promising young profiles on the Danish music scene. His most influential and inspiring teachers from masterclasses includes Andrzej Jasinski, Andras Schiff, Elisabeth Leonskaja, Mikhail Voskresensky, Pavel Gililov and Ferenc Rados among others.



Jonathan Siahaan



W.A. Mozart: Sonata K. 283, 1st mvt: Allegro

 preselection Videos

Biography:​