In its 114th year, Billboard remains the world's premier weekly music publication and a diverse digital, events, brand, content and data licensing platform. Billboard publishes the most trusted charts and offers unrivaled reporting about the latest music, video, gaming, media, digital and mobile entertainment issues and trends.

First Published in 2005. The Encyclopedia of Recorded Sound, 2nd edition, is an A to Z reference work covering the entire history of recorded sound from Edison discs to CDs and MP3. Entries range from technical terms (Acoustics; Back Tracking; Quadraphonic) to recording genres (blues, opera, spoken word) to histories of industry leaders and record labels to famed recording artists (focusing on their impact on recorded sound). Entries range in length from 25-word definitions of terms to 5000 word essays. Drawing on a panel of experts, the general editor has pulled together a wealth of information. The volume concludes with a complete reference bibliography and a deep index.