The chart is compiled using all songs air data across all genres from 400+ radio stations in Russia, Ukraine, CIS, Baltic States, Germany, Israel, Spain, UK, US.
Information about YouTube.com music video views in Russia is also available on it.
– Russian language songs only/local artists
– all songs no matter of language/all artists
– data, delivered from territory of Russia only
– data, delivered from territory of Moscow only
– songs introduced on chart 26 or less weeks before
– all songs no matter of weeks on chart
– data, delivered from territory of Ukraine only
– data, delivered from territory of Russia only