Sayeed has become a lightning rod for the cultural and generational cleavages roiling this traditional Muslim society as it emerges from decades of war and isolation into the alluring glare of modern life and freedoms, amplified and accelerated by the Internet.
She is every young man's fantasy, many young woman's inspiration, and every cleric's nightmare.
Afghan social media has churned with impassioned debate over Sayeed. "She isn't just a singer, she is a revolutionary," posted Habib Khan on Facebook. "This courageous Afghan woman stands against the clergymen to defend her freedom."
But others said she was trying to impose Western democracy on Afghan tradition. Sana Sofia Nabizadeh posted it was better Sayeed "not promote prostitution". Naser Ali said: "She is an icon of cultural glasnost. If only she could observe the hijab during public appearances."