Redrum Music 

RedShift Recordings

redskeleton

Reel George Productions

Reggae Review

Reggae Source

Reign Radio 

Relapse

Relax 'Zine 

Relix Magazine 

 Reload Record Company

Remnants Of Reason (Remnants Of Reezon) 

Renegade Hardware

Renegade2K Music Organization 

Renesongs

Repeat Records and Fanzine

Reprise Records

Reptile71 Music

Reptilitan

ReQuest Multimedia 

RequestLine 

Resistance Magazine 

Resolution

Resort Records

ReSoundings

RespondExpress.com CD & DVD Duplication

Restless

Retaliation

Revelation

revelation 9

Revelation Records

RevelationZ Magazine 

Reverb Radio

Reverbose Records

Review Askew

Revista de flauta de pico = Recorder Magazine

Revista eletronica de musicologia

Revista Musical de Venezuela

Revolution Records

Revolver Magazine

Revolver Music Ltd - UK

Revue de Musicologie

Rhino Records

Rhymezstar Recordz

Rhythm

Rhythm Crew Records

RIAA Radar 

Riehl Communications

RiffRock.com 

RiffShare P2P 

Righteous Babe Records

Rightpath Productions

Rikks Revues

RimShot! Magazine

Ringtone Party

Rising Music 

Rising Sun Entertainment 

Rising Tide Music

Risk Records

RivetRing 

Rivista Telematica di Educazione Musicale

RoadHouse Tunes

Roadie Crew Magazine 

Roadrunner

Robb Strandlund

Robot vs. Rabbit

Rock & Heavy Metal World 

Rock & Pop

Rock & Rap Confidential 

Rock & Rock Reporter 

Rock 3 Radio Network 

Rock Against Rage 

Rock And A Hard Place 

Rock And Roll Confidential 

Rock And Roll Hall Of Fame & Museum 

Rock and Roll Hosting

Rock Around the World