特寫：女子演唱古老俄羅斯儀式歌曲

Ancient Russian ritual singing, obryadovy napiev, deep spiritual atmosphere, female voice with hoarse timbre, up close to the microphone, intimate chamber performance transitioning into whisper, vocalise with chorus of babushkas, only traditional instruments: tambourine and gusli, no modern instruments, authentic folk style as performed by our great-grandmothers, ritualistic repetition, earthy resonance, breath as part of rhythm