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Mediabase is a music industry service that monitors radio station airplay in 180 US and Canadian markets Mediabase publishes music charts and data based on the most played songs on terrestrial and satellite radio, and provides in-depth analytical tools for radio and record industry professionals Mediabase charts and airplay data are used on many popular radio countdown shows and televised music awards programs Music charts are published in both domestic and international trade publications and newspapers worldwide Mediabase is a division of iHeartMedia


  • 1 History
  • 2 Charts and data
  • 3 Use in radio programming
    • 31 Countdown
    • 32 Other
  • 4 Detailed description of data
    • 41 US Radio
      • 411 Formats monitored
    • 42 Canadian radio
  • 5 References
  • 6 External links


Mediabase was founded in 1985 by Nancy and Rich Deitemeyer aka: Rich Meyer Originally known as Mediascan, the company changed its name to Mediabase in 1987 Mediabase became the industry's first mass-airplay monitoring company in late 1987 After its inception, Mediabase was purchased by a private equity group based in Detroit, Michigan, then acquired by California-based Premiere Radio Networks, Jacor Communications, Clear Channel Communications, and ultimately, Bain Capital

In January 1988, Mediabase began publishing a trade magazine known as Monday Morning Replay, featuring monitored airplay in the top 35 US radio markets Mediabase then expanded its coverage to 180 US and Canadian markets In 1992, Mediabase transitioned to delivery by data disk In 1997, Mediabase moved its product to the Internet Over the years, Mediabase has supplied data to numerous trade business-to-business B-to-B publications including Radio & Records, Network Magazine Group, Gavin, Hits, All Accesscom, and Friday Morning Quarterback Mediabase charts appear every Friday originally every Tuesday until during the 3rd quarter of 2015 in USA Today's LIFE section Mediabase serves as the official music chart provider for USA Today, the American Music Awards aka: the AMA ABC, and numerous syndicated programs, such as American Top 40 with Ryan Seacrest

Charts and data

Mediabase produces song charts and airplay analyses of radio airplay in more than two dozen radio formats based on the monitoring of more than 1,800 radio stations in the US and Canada Mediabase also monitors HD formats, video channels, and satellite radio

Published charts are used on popular business-to-business B-to-B and consumer websites including USA Today, AllAccess, Friday Morning Quarterback, Country Aircheck, and Hits Daily Double

Music and entertainment industry executives gain access to in-depth charts and analyses through B-to-B exclusive access

Mediabase also owns and operates Rate the Music, a service that allows consumers to rate music on a scale from 1 to 5 and whether or not they are tired of hearing the song on the radio for the radio and record industries

Use in radio programming


Mediabase charts are the source for the following radio countdown programs:

  • American Top 40 with Ryan Seacrest Top 40 and Hot AC shows
  • Bob Kingsley's Country Top 40
  • Country Countdown USA with Lon Helton
  • American Country Countdown with Kix Brooks
  • Crook & Chase Country Countdown
  • Nikki Sixx Active Rock and Alternative Radio Countdowns
  • SiriusXM Hits 1 Weekend Countdown
  • Smooth Jazz Top 20 Countdown with Allen Kepler


Mediabase is also the primary programming tool for nationally syndicated programs like Open House Party with John Garabedian, After Midnite, and Nighttime with Delilah

Detailed description of data

US Radio

Formats monitored

  • Mainstream adult contemporary
  • Hot adult contemporary
  • Mainstream top 40
  • Rhythmic top 40
  • Urban
  • Urban adult contemporary
  • Country
  • Alternative rock
  • Active rock
  • Mainstream rock
  • Adult alternative
  • Rhythmic adult contemporary
  • Adult hits
  • Dance
  • Classic rock
  • Smooth jazz
  • Christian
  • Classic hits
  • Gospel
  • Regional Mexican
  • Spanish contemporary
  • Tropical
  • Christmas seasonal

Canadian radio

  • Top 40
  • Hot Adult Contemporary
  • Adult Contemporary
  • Country
  • Active Rock
  • Alternative


  1. ^ "Mediabase And Universal Renew Research Deal" AllAccesscom 14 Nov 2007 Retrieved 2011-04-18 
  2. ^ "Radio One Inks Exclusive Deal with Mediabase" AllAccesscom 15 Aug 2006 Retrieved 2011-04-18 

External links

  • Official website
  • Mediabase Daily Updates on Facebook
  • USA Today — weekly charts by format
  • AllAccesscom registration required

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