https://usmetalindex.com/blog/2026-08-08-billion-stream-riffs-comeback-tours-and-the-ai-question-how-us-metal-is-wrestling-with-its-own-legacy-in-2026US Metal Indexen2026-08-08T22:02:04.000ZBillion-Stream Riffs, Comeback Tours, and the AI Question: How US Metal Is Wrestling With Its Own Legacy in 2026