ELO are orchestral-rock giants who look back and get a little help from friends across the pop spectrum. Leader Jeff Lynne learned from The Beatles' expansive production techniques and timeless melodies built for mass sing-alongs. But his rollercoaster tunes and finely honed arrangements take hints from Peter & Gordon's sweet nostalgic ballads, Wizzard's glam-rock stomp and The Eagles' harmony-drenched country-rock balladry.