Prompt: Write a feature on Santana and the Doobie Brothers’ 2026 Oneness Tour, focusing on what fans in the Northeast should know before attending. Start with a quick snapshot of the tour’s scope, dates, and the branding behind a joint classic-rock comeback. Then weave in practical guidance on reading tour schedules, presale strategies, and budgeting for tickets, including potential fees and value checks. Balance fan nostalgia—highlighting the bands’ legacies and notable past collaborations—with concrete local tips for venues, parking, and transit. Close with a forward-looking takeaway on what this reunion means for aging-rock tours and local concert culture.