Highway Companion (2 Lp's)Tom Petty's third album without the Heartbreakers, 2006's HIGHWAY COMPANION, finds the revered singer songwriter reuniting with fellow Traveling Wilbury Jeff Lynne (formerly of Electric Light Orchestra) for the first time since their fruitful late 1980s early '90s collaborations, which yielded FULL MOON FEVER (Petty's initial solo outing) and INTO THE GREAT WIDE OPEN. The resulting record recalls the former disc in particular, albeit with a shimmering