Does your SINGING PASS these 4 Tests??? ✅❌

Jose Simerilla Romero

🎙️ TESTING THE OPERA VOICE WITH SCIENCE! 🔥 Candle, Glass, Decibels & Spectrogram | Vocal Technique Explained In this video, I put my operatic voice through 4 scientific tests to reveal what really makes classical singing so powerful, efficient, and resonant. ✅ The Candle Test – Can I sing withou