"I remember the first night we heard ourselves on 100.5 The Zone," said Method Echo lead singer Josh Guerrero. "It was like that movie [That Thing You Do] with The Oneders: Everybody was stoked and pumped up, we were calling each other [saying], 'Oh my goodness we're on the radio.' " Friday night, Method Echo will be bringing its funky soulful style of rock 'n' roll to End of Summer Fest in Cesar Chavez Plaza. Pop-singing piano player Shannon Curtis and pop-rock vocalist Bobby Zoppi will open the concert (click links for MySpace). The members of Method Echo first met more than 10 years ago at Harvest Church in Elk Grove (the pastor was guitarist Tyler Hagan's father). Then teenagers, the