Now that you simply mention it, the first two tracks appear to absence minimal bass, (aside from a bass drum strike just before the fade out of Custard Pie). But then “In My Time of Dying” appears to have some far more bass… undecided what was going on below, https://led-zeppelin-platinum-rec99539.blog-a-story.com/6422399/5-essential-elements-for-led-zeppelin-gold-records