Chord Progression

40 years into any band's career (if they get that far), it is hard to imagine them continuing to innovate, reinvigorate their sound, and create music at such a high level. We have seen great artists play the hits in the twilight of their career, and that is fine as they have earned it.But this band isn't just any other band. They are one that somehow continued to reinvigorate their thrash metal sound as time went on. So much so that when they released their 14th album in 2025, it was considered to be one of, if not, the best albums of the year. So... how did this happen.Chuck Billy from the thrash metal legends Testament joins the Chord Progression Podcast today. With the release of their 14th album, Para Bellum, in late 2025 and a brand new tour in the spring of 2026, we had a chance to catch up with this living legend for a great conversation. On this episode, we talk about:- The songwriting behind Para Bellum and how bringing in a freshness to Testament's legendary sound was done thanks to the influences f