The problem is that once you attach the parts in any way to the chord structure or lyrics of the song in question, copyright issues become involved, and EC’s music publishers Hal Leonard basically made the entire project non-viable.
There is a certain amount of irony involved as many of the songs presented to us were completely restructured or redefined around the bass part I came up with -such as Chelsea, Girls Talk and B-Movie. Even when my bass lines are sampled or reproduced -like the Oz band Rogue Trader did with Pump It Up – the copyright remains with the songwriter. So all I can say is “Sorry, folks”.
There are a few tabs available by individuals in various places online, but it’s by no means a comprehensive selection.