"Hrvatski broj jedan" was music chart talk show broadcasted on Croatian RTL Televison. Each episode was dedicated to one specific genre or period of Croatian music and corresponding TOP 40 music chart. Charts were devised by 3 music experts and 1 statistician using official statistics and their music knowledge and opinion. Suitable guests who commented individual songs on professional or personal basis were hosted in every episodes. There were also live music acts of singers who were placed on the chart.