This past weekend, the Green Apple Festival (MySpace), billed as "America's Largest Earth Day Celebration," was held in eight cities across the country (with the exception of Washington D.C., which was reportedly rained out), including here in Los Angeles. Performing live music on Sunday at the Santa Monica Pier were the Frequency (MySpace), School of Rock Hollywood All-Stars, Escalera (MySpace), Juliette and the Licks (MySpace), Ziggy Marley (MySpace), and Taj Majal (MySpace). Actress Amy......