I had a look at the Rondo receipt for my AL3100M and saw that it was dated 3 November 2011. This means that I have had this great guitar for nearly eight years. I play it every now and then. I have yet to change the strings, so the factory D'Addarios are still fitted. They stay in tune so I think they can stay there. Open G chords ring true which is always a good test. I wonder what this says about the quality of the Agile strings? Or perhaps this says more about me. My 2012 American Standard Tele still has the original strings, but I have changed the strings on my 2012 MIM Strat. I am not OCD, just slightly fastidious about always washing my hands before I play a guitar, and always wipe the strings with a cloth after playing. Perhaps I should get out more.