Offisjal Ostland Hitlistener

Offisjal Ostland Hitlistener (also known as: OOH) (Ostlandic: Official Ostland Hit Charts) is a company of musical charts and entertainment industry stadistics based in Nordostat, Ostland. It was established on January 10, 1999.

Data collecting
It collects Ostlandic music and entertainment market's data from Ostlandic Phonographic and Recording Association (OPRA), the International Federation of the Phonographic Industry (IFPI) and Nielsen Sound Scan. The company also has agreements with Spotify, Apple (Apple Music, iTunes), Deezer, and YouTube Music to collect streaming and digital download data.

Charts
As of 2021, Offisjal Ostland Hitlistener compiles 6 main charts.

Songs
For singles and songs chart, points are based on, by relevance: streaming (60% since 2018), digital downloads (20%) and radio airplay (10%, only for singles).

Albums
For albums charts, the data used to determine album's points are: total streams of album's tracks (55%) and sales (physical: 30%; digital: 15%).

Regulation

 * The Re-Issues of an album only can contain single marketed as part of the album since it release, or songs never published in other albums by any artist (does not apply for covers, remixes, or songs extracted from soundtracks, like Earned It by The Weeknd). This rule was set in 2021 after Ed Sheeran released '= (Tour Edition) and = (Christmas Edition)' with many collaborative singles with different artists that were not originally intended for his album.
 * Remixes of the tracks does not count to album total streams or track sales. They only count for the singles charts.