Most basic tabs use standard tuning, but "Nessun Dorma" often requires a deeper resonance to mimic an orchestra.
If your current tab is beyond repair, consider these high-quality alternatives:
Dropping your low E string to D gives you a massive, booming bass foundation that mimics the operatic orchestra. It allows you to hold a low root note while your fretting hand moves high up the neck to play the vocal melody. 3. Step-by-Step Tab Fixes for Key Sections