The review title suggests two things: A love for metal and hard rock, as well as an urge to have these IEMs surgically implanted into my skull. Yup, noise isolation is great. No need to turn the volume up to dangerous levels and screw up my hearing even more. No unnatural sibilance with cymbals, and PUNCHY double kicks (sample album: Suffocation's latest "Pinnacle Of Bedlam" SHINES through this set.  They are excellent for what they are (Single Dynamic MicroDriver) and for their price. My music is neatly set up in 2 identical 2TB drives, one drive...