As well as being a solo recitalist, Simon works actively with other musicians.
His current and recent projects include:

Sample programme:

• Wolfgang Amadeus Mozart Sonata in A, K305
• Johann Kaspar Mertz Wasserfahrt am Traunsee
• Johann Sigismund Weiss Concerto in D minor
• Camille Saint-Saëns arr. Stuart Nicholson Danse Macabre
• Camille Saint-Saëns Le Cygne
• Gustave & Ferdinand Carulli Duo Nocturne, Op.189, No.1

Sample programme:

• Giuseppe Verdi transcr. A. Lebeau Dies Irae (from Requiem)
• J.S. Bach transcr. Maurizio Machella Sinfonia (from Cantata BWV29)
• Giuseppe Gariboldi Idillio, Op. 266
• Marcel Dupré Sinfonia, Op.42
• Frédéric Chopin transcr. Waldemar Schneider Nocturne, Op.9, No.2
• Antonín Dvořák transcr. Christoph Lahme Tempo di Valse (from Serenade for Strings, Op.22)
• Flor Peeters Concerto for Organ and Piano

Sample programme:

• Richard Purvis Kyrie Eleison
• William Albright The King of Instruments
• Ulrich Nehls Chorale Prelude: Nun lob, mein Seel, den Herren
• James Hewitt The Battle of Trenton (A Sonata dedicated to General Washington)
• Ralph Vaughan Williams Dirge for Fidele
• Sergei Prokofiev transcr. Heinrich Grimm Peter and the Wolf