A current issue of Rolling Stone contains roughly a dozen album reviews. Multiply that by more than 1,200 issues and it’s inevitable that a few records we enjoyed maybe slipped out of our listening rotation. We dug into our archives to find 20 once-loved records from our first three years: 1967, 1968, and 1969. Even though they’ve been largely unheralded these past five decades, they still sound remarkably fresh. From little-heard releases by artists you’re familiar with (Steve Miller Band, Jerry Lee Lewis) to obscure rockers (the Insect Trust, Autosalvage) and even one group that never existed — here are just a few acclaimed, yet forgotten LPs.