Offisjal Ostland Hitlistener

Offisjal Ostland Hitlistener (Ostlandic: Official Ostland Hit Charts), commonly known as: OOH Charts, is a company of musical charts and entertainment industry stadistics based in Nordostat, Ostland. It was established on January 10, 1997.

Data collecting
The OOH 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.

For physical sales of albums and singles they use weighting system, like Nielsen Sound Scan does outside Ostland. Music retailers and stores like Media-Markt, Musikkal, OstySound, Merkader Plaza and Headphones! usually participate on the sampling system.

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), except for component chart.


 * Ostland Top 100: commonly known as 'OOH Hot 100', it lists the most popular singles or tracks in Ostland, it is Issued weekly, monthly, yearly and every decade since the 2000s.
 * Ostland Streaming Top 200: Streaming component chart. Compiles data from most used streaming services like Spotify or Apple Music.
 * Ostland Download Songs: Digital download component chart. Since the chart was first published in 2004, it listed 200 songs, but since 2019 it lists 100.
 * Ostland Dance / Electronic Songs: also known as 'OOH Elektronikliste'. It lists the most popular songs, specifically of Electronic music genres like: EDM, dance-pop, house, Electropop.etc

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.