Until now I've never myself can bring themselves to something more expensive strings of Elixir to buy because my wallet as a student now not so much bear. Since I now but wanted to do my new acoustic guitar, the Epiphone Hummingbird Pro something good, I struggled my way through to a purchase, since I had heard from all sides that these strings are hard to beat. As I alluded the strings for the first time after withdrawal, my Epiphone sounded as good as ever. After a few days the sound of the strings I liked even better. After I pulled the strings now for about a month, I have to say that it is actually much slower than use cheaper strings that I have used previously. I hereby speak of a clear buy recommendation! For me it was worth it, that I have these strings then tried it out;)