DR Rare Phosphor Bronze Acoustic Guitar Stringsstar rating 5stuart macneilMarch 6, 2010These strings impressed me more than any other acoustic strings ever have. I bought the med/light which is slightly lighter than the strings I usually use. These things stay bright longer than coated strings. They are powerful and punchy, but have a phosphor bronze fullness. I left them on my guitar for months before I broke a string (I play REALLY hard). I think I found my string, but I'm still going to try other stuff from these guys. If you play a big dreadnought really hard, or want strings that play fast with perfect tension, try these.