Original Grooves showcases the vinyl cutting technique known as “parallel grooves, where grooves are cut side-by-side instead of one after another, allowing for a different aural experience depending on where the needle is dropped. The second of this series comes from Ella Fitzgerald. This 12” Single LP features live versions of “Mack the Knife” and “Summertime” from the legendary 1960 Berlin performance, with the 1962 Lost Berlin Tapes versions hidden on the neighboring grooves.