Up until about a few years ago, the classic-rock vault was overflowing with audio and video treasures that fans had little reason to think would ever see the light of day. Some of them had leaked out ...

Don’t bore us, get to the chorus. That’s what the hit songwriters say. But, if done well, an epic rock intro locks in one’s attention in anticipation of what’s next. In the 1960s, albums began to ...