Gabriel Martins on Instagram: "For this etude, Popper writes that the first measure has been taken from a cello passage in Wagner’s Lohengrin “which the cellists generally find somewhat difficult, especially in the tempo prescribed”. After listening to several recordings of the opera, I realized that many take this passage extremely fast, much faster than the etude is usually played. So I decided to try it at a bit of a faster pace, seeming possible that that was Popper’s idea for the study. 🎶