Hong Kong Sinfonietta
Karttunen's repertoire ranges from the early baroque to living composers. He has performed with many orchestras in Europe (including the Philharmonia, BBC Symphony, Orchestre de Paris, Filarmonica della Scala, RAI Torino, Munich Philharmonic, and the Royal Concertgebouw Orchestra), Asia (NHK Orchestra, Tokyo Symphony, Shanghai Symphony, Hong Kong Sinfonietta), and the Americas (Boston Symphony, Philadelphia Orchestra, Los Angeles Philharmonic, Simón Bolívar Symphony Orchestra, Filarmónica de Buenos Aires), and at major festivals worldwide.