before he used sadowsky's equipment what guitar or basses did walter used on steely dan albums from 1972 - 1981?
Here's the bass that was supposedly used on Rikki:
https://entertainment.ha.com/itm/musical-instruments/bass-guitars/walter-becker-steely-dan-used-1958-fender-precision-bass-serial-number-30443-this-example-of-a-1958-fender-precision-ba-total-1-item-/a/648-22322.s