Now it's time to review the album that put Led Zeppelin on the map. I do not own Led Zeppelin IV, it is owned by Atlantic Records of Warner Music Group. All content reflects my own research and interpretations. #ledzeppelin #ledzeppeliniv #albumreviews #hardrock #bluesrock #folkrock #heavymetal Sources Lewis, Dave (1990). Led Zeppelin : A Celebration. Omnibus Press. ISBN 978-0-7119-2416-1. Lewis, Dave (2010). Led Zeppelin: The "Tight But Loose" Files. Omnibus Press. ISBN 978-0-85712-220-9. https://www.rocklistmusic.co.uk/steve... https://www.rocklistmusic.co.uk/50.ht... https://web.archive.org/web/200901220... http://www.bbc.co.uk/radio2/soldonson... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z... https://www.songfacts.com/facts/led-z...