Absolutely no Brown M&M's: Van Halen's quest to ensure people followed process.
Van Halen - Wikipedia
Van Halen's Brown M&M Trick (and how it can help you), by DBM Motion Graphics
No Brown M&Ms — The Hidden Genius in Van Halen's Contract Clause, by Kurian Mathew Tharakan
What Van Halen and M&Ms can teach us about how to fight higher taxes in August. It's in the details
Compliance, Van Halen and Brown M&M's – Compliance Building
Why do Rock Stars hate brown M&Ms? – The Pop Culture Kings present The Archives of Wisdom
Van Halen Rider (Excerpt)
Van Halen's Brown M&Ms - Their Key To Rock and Roll Safety
TIL Van Halen's no brown M&Ms clause was to check that venues had adhered to the safety standards in the contract. If there were brown M&Ms, it was a tell tale sign
Van Halen's Brown M&M Clause—Why It Was Brilliant
Van Halen: Quality Assurance with M&M's - Six Sigma Daily