“Trent Reznor and I were very ‘f*** you’ about guitars – it was the complete antithesis of what was going on with the era”: Filter’s Richard Patrick on developing his unorthodox approach to tone – and his reunion with Nine Inch Nails

One of ’90s alt-rock’s biggest names reveals the challenges of going from $10,000,000 recording budgets to $20,000 – and why he called in another guitarist to re-record all his parts on the new Filter record