- H.S. Honors Southern Region Concert Band
- H.S. Honors Western Region Orchestra
- Hageland Wind Orchestra
- Hague Residentie Orchestra
- Hai Ye Ni
- Hal Collins
- Hal Wright
- Hallowed Ween
- Hallé
- Hamamatsu Symphonic Wind Orchestra
- Hamburg Philharmonic State Orchestra
- Hamburg Radio Orchestra
- Hamburg Radio Symphony Orchestra
- Hamburg Symphony Orchestra
- Hamburger Symphoniker
- Hamilton International Middle School Chamber Orchestra
- Handel
- Handel and Haydn Society
- Hanford High School Symphony Orchestra
- Hannele Segerstam
- Hannes Kreuziger
- Hanno Donneweg
- Hannover Boys' Choir
- Hans E. Zimmer
- Hans Ek
- Hans Kistler
- Hans Knappertbusch
- Hans Knappertsbusch
- Hans Müller-Kray
- Hans Pfitzner
- Hans Pischner
- Hans Rosbaud
- Hans Schmidt-Isserstedt
- Hans Simon
- Hans Stadlmair
- Hans Swarowsky
- Hans Vonk
- Hans Wolf
- Hans Zanotelli
- Hans Zender
- Hans-Martin Linde
- Hans-Ola Ericsson
- Hansjörg Albrecht
- Hanspeter Gmür
- Hanz Folo
- Haochen Zhang
- Happy Halloween Music
- Harmoniae Templum Chamber Orchestra
- Harmonie Ensemble / New York
- Harmonie Ensemble, New York
- Harmony of Nations
- Harold Farberman
- Harriet Krijgh
- Harry Lookofsky
- Harsh Music
- Hartfield's End
- Hartmut Haenchen
- Harvey Pittel
- Hasiru Navodya
- Hastings Symphony Orchestra
- HAUSER
- HAYASA G
- Haydn Orchestra of Bolzano & Trento
- Haydn Orchestra of Bolzano and Trento
- Haydn Sinfonietta Wien
- Hazel Turnbull
- Heidelberger Sinfoniker
- Heike Groetzner
- Heikki Ketola
- Heinrich Alster
- Heinrich Hollreiser
- Heinrich Schiff
- Heinz Bongartz
- Heinz Burum
- Heinz Holliger
- Heinz Wallberg
- Helen Callus
- Helen Donath
- Helen Huang
- Helen Jahren
- Helen Park
- Helge Burggrabe
- Helmut Zacharias
- Helmuth Brandenburg & the Philharmonic Pop Orchestra
- Helmuth Rilling
- Helsingborg Symphony Orchestra
- Helsingborgs Symfoniorkester
- Helsingin Kaupunginorkesteri
- Helsinki Philharmonic Orchestra
- Helsinki Police Band
- Hendrik Schwolow
- Henk De Graaf
- Henn's Böhmische Talentschmiede
- Henning Kraggerud
- Henri Demarquette
- Henri Ledroit
- Henri Legay
- Henri Sigfridsson
- Henri Vachey
- Henriette Puig-Roget
- Henrik Vagn Christensen
- Henrry Bom
- Henry Adolph
- Henry Raudales
- Henry Swoboda
- Henryk Mikolaj Górecki
- Henryk Szeryng
- Herbert Blomstedt
- Herbert Graz
- Herbert Kegel
- Herbert von Karajan
- Herbert Walser-Breuß
- Heritage High School Philharmonic Orchestra
- Herman Fassett
- Hermann Abel
- Hermann Abendroth
- Hermann Baumann
- Hermann Breuer
- Hermann Hirschfelder
- Hermann Scherchen
- Herrera De La Fuente
- Hershey Symphony Festival Strings
- Hessian Radio Symphony Orchestra
- Het Brabants Orkest
- Het Residentie Orkest
- Hexagon Ensemble
- Heïke Teo
- Hida-Takayama Virtuoso Orchestra
- Hiddeminside*Emotional
- Hidemaro Konoye
- High School All-State Symphony Orchestra
- Highlands High School Chamber Orchestra
- Hijazi
- Hilary Davan Wetton
- Hilary Hahn
- Hilde Somer
- Hildebrandt Intermediate Chamber Orchestra
- Hill Country Middle School Full Honor Orchestra
- Hill Country Middle School Symphony Orchestra
- Hilliard Ensemble
- Hilversum Radio Orchestra
- Hiralis
- Hiroyuki Iwaki
- Hirushi
- Hisaya Sato
- Hitomi Niikura
- Hobbit Dreamland
- Hobbs FOV
- Hofkapelle Stuttgart
- Hokkaido University of Education Super Winds
- Holland Albright
- Holland Christian High School Orchestra
- Hollywood Bowl Orchestra
- Hollywood Bowl Symphony Orchestra
- Honey Grove High School Band
- Hong-Mei Xiao
- Hongo Music
- Honors Eastern Region Orchestra
- Horst Kaizler Quintett
- Hortense von Gelmini
- Houssem Beats
- Houston Symphony Orchestra
- Howard Griffiths
- Howard Hanson
- Howard McGill
- Howard Mitchell
- Howard Shelley
- Hradec Kralove Philharmonic
- Hradec Králové Philharmonic Orchestra
- Hu Bing Xu
- Hubert Barwasher
- Hubert Clifford
- Hudson High School Chamber Orchestra
- Hudson M.S. 8th Grade Orchestra
- Hugh Maguire
- Hugh Wolff
- Hugo Alfvén
- Hugo Reyne
- Hugo Rignold
- Huguette Grémy-Chauliac
- Hungarian State Opera Chamber Orchestra
- Hungarian State Orchestra
- Hungarian State Symphony Orchestra
- Hungarian Symphony Orchestra
- Hwei-ming Twu
- Hyde Park Middle School Chamber Orchestra
- Hyperion
- Håkan Hardenberger
- Håkan Olsson