Now which you point out it, the first 2 tracks appear to absence small bass, (aside from a bass drum hit just ahead of the fade outside of Custard Pie). But then “In My Time of Dying” seems to have some additional bass… not sure what was going on https://led-zeppelin-gold-records64207.dailyblogzz.com/27209241/new-step-by-step-map-for-led-zeppelin-gold-records