- I Fagiolini
- I Musici
- I Nomadi
- I Percussionisti della Scala
- I Sing My Body Electric
- I Wayan Wija
- Iain Carnegie
- Iain James Veitch
- Iain Sutherland
- Ian Boddy
- Ian Hobson
- Ian Munro
- Ian O'Sullivan
- Ian Pace
- Ian Stuart
- Ian William Craig
- Iannis Xenakis
- Ianx
- Iasos
- Icarus Ensemble
- Icebreaker
- Iceland Symphony Orchestra
- Ichiro Nodaira
- Icky Boyfriends
- Ictus
- Ida Bieler
- Ideal Bread
- Idony Randal
- Idun Vinter
- Ignat Solzhenitsyn
- Ignatz
- Igor Isanto
- Igor Krassilnikow
- Igor Lešnik
- Igor Malinovsky
- Igor Markevitch
- Igor Stravinsky
- Igor Wakhevitch
- Ike Yard
- Ikson
- Ikue Mori
- Ilan Chouraki
- Ilaria Baldaccini
- Ilary Barnes
- Ilio Barontini
- Iliya
- Illuminine
- Ilya Ashikov
- Ilya E. Monosov
- Ilya Gringolts
- Ilya Monosov
- Ilya Yarin
- Ilyin
- Imada
- Immanuel Davis
- Imperial Household Music Department
- Imre Csenki
- In the Nursery
- In Void
- Ina Lawson
- Indrajith Mirihana
- Inert Of The Different
- Inertia Ensemble
- Ines Rivadeneyra
- Infidel But
- Infiltrator
- Infinite Music
- InfraSound Music
- Inga Fiolia
- Ingar Zach
- Inge Spinette
- Ingebrigt Håker Flaten
- Ingemar Aberg
- Ingfrid Breie Nyhus
- Ingi Erna
- Ingibjörg Giss
- Ingram Marshall
- Ingrid Laubrock Anti-House
- Ingrid Laubrock's Anti-House
- Ingvar Karkoff
- Ink Sticks & Stones
- Inner Ear Brigade
- Innercity
- Inon Zur
- Inscape
- Insect Ark
- Insight
- Interensemble
- International Contemporary Ensemble
- International Moods
- International Pony
- Internet White
- Intersystems
- Invisible Groover
- Invisible Guy
- Ira Gerswin
- Irena Troupova-Wilke
- Irene Gaifana
- Irene Maessen
- Irene Rinaldi
- Irene Scardia
- Irene Veneziano
- Irenäus
- Iris Vermillion
- Irma Kolassi
- Irma Ravinale
- Irma Rothman
- Irma Toudjian
- Irmgard Messin
- Irmin Schmidt
- Iro Haarla
- Irr. App. (Ext.)
- Irreversible Entanglements
- Irvin Random
- Irvine Arditti
- Irwin Sandora
- Irène Bugod
- Irène Joachim
- Irène Schweizer
- Isaac Benjamin
- Isaac Stern
- Isaac Stern & Various Artists
- Isabel Leonard
- Isabella Molinero
- Isabelle Faust
- Isabelle Moretti
- Isabelle Nef
- Isabelle Régis
- Isao Nakamura
- Isao Tomita
- Isata Kanneh-Mason
- Iskandar Widjaja
- Israel Baker
- Israel Philharmonic Orchestra
- Italian Instabile Orchestra
- Itamar Zorman
- Itzhak Perlman
- Iva Bittová
- Ivan Bertolla
- Ivan Bielsa
- Ivan Buffa
- Ivan Klass
- Ivan Rabaglia
- Ivana Raymonda Van Der Veen
- Ivar Grydeland
- Ives Quartet
- Ivo Kahánek
- Ivo Pogorelich
- Ivo Varbanov
- Ivonne Fuchs
- Ivry Gitlis
- Ivy Leigh
- Iván Páucar
- Iwan Tanzil
- Iyyaka Nastain
- IZAL