Columbia Records | Guinness World Records | Atlantic Records | Decca Records | Mercury Records | Warner Bros. Records | Epic Records | RCA Records | Pearl Jam | Capitol Records | MCA Records | Virgin Records | The Jam | Arista Records | Island Records | Mos Def | Elektra Records | Def Leppard | Universal Records | Stax Records | Geffen Records | A&M Records | Reprise Records | Naxos Records | Polydor Records | Philips Records | London Records | Interscope Records | Rise Records | Liberty Records |
More recently, Irby has been involved with launching the career of young R&B vocalist and The Inc/Def Jam recording artist Lloyd.