personnel mark mothersbaugh -- guitar , keyboards , vocals gerald v. casale -- bass , keyboards , vocals bob mothersbaugh -- guitar , vocals bob casale -- guitar , keyboards , vocals alan myers -- drums technical personnel ken scott -- producer , engineer bernie grundman -- mastering engineer singles '' the day my baby gave me a surprize '' / '' penetration in the centrefold '' '' secret agent man '' / '' soo bawlz '' trivia the song '' the day my baby gave me a surprize '' was covered by american rock band spinnerette as a b-side on their 2009 single '' baptized by fire '' as well as by the vandals .