The song Sigma Boy, performed by Russian schoolgirls Svetlana Chertischeva (11 years old) and Maria Yankovskaya (12 years old), got into the top 10 of the international Billboard music magazine chart.
The song took the seventh place in the Hot Dance/Pop Songs rating. In total, 15 tracks were included in the chart. The leader was the song It's Ok I'm Ok by Canadian singer Tate Mcrain.
The track Sigma Boy was released in October 2024. To date, she has gained 51.9 million views on YouTube.

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