Please Mr. Postman The Marvelettes - http://www.history-of-rock.com/marvelettes.htm Pretty simple stuff here, just listen to the song closesly and you'll hear it. Intro/Pre-Chorus G)------------------------------------------------| D)------------------------------------------------| A)-5-5-5-5--X4---2-------REST---------------------| E)------------------------------------------------| Then the main bass line, pretty simple, just the root and 5ths. G)------------------------------------------------------| D)------------------4-----------------------------------| A)-5--5---X2---2---2----X2---------5----X2----------7---| E)-----5----------------------3---3------------5---5----| Rate this please, and enjoy.