Now that you simply mention it, the first 2 tracks appear to absence reduced bass, (other than a bass drum hit just prior to the fade from Custard Pie). But then “In My Time of Dying” appears to have some additional bass… unsure what was going on below, almost https://led-zeppelin-platinum-rec87631.arwebo.com/49740433/the-greatest-guide-to-led-zeppelin-gold-records