So it sounds like the team has potential , but still needs to build a foundation ? <| sep |> Yes , that ' s definitely what I said . 1010 . <| sep |> Try Paulstretch on different samples with different settings . Audacity comes with a great , free Paulstretch effect . <| sep |> Lots of possibilities , with sledges or log rollers being the leading contenders . Or it could be something we haven ' t though of yet . Don ' t count out human ingenuity , even with primitive technology . Here is a K 7 q 20 VzwVs of a guy who makes mini Stonehendges by himself , by pivoting the big rocks on smaller ones . I don ' t know if this is how the druids did it , but it does show how primitive methods can be used in surprising ways . As with most ancient mysteries , it isn ' t that we don ' t know how it could have been done . we know several ways , we just don ' t know which particular one was used .