The all-American boys in Creed scarf down beef jerky and drink Hi-C at shows. The Foo Fighters will never share a dressing room — unless it’s with Supergrass, Oasis, ”or maybe Led Zeppelin.” And P. Diddy contractually requires that ”all food and ice must be inspected for hair” before being served. That’s a sample of what you’ll find in just 3 of the 130 ”contract riders” — backstage demands artists submit to promoters before a show — that have been collected in The Smoking Gun’s dishy series documenting rock-star excess. How do the Gun-ers manage to get their hands on these confidential contracts? That’s one of the music world’s best-kept secrets.