Recently, when my bipolar IBM B - I think it's a great idea to name typewriters and as soon as I think of some I will begin using them  - was having a cooperative day, I was annoyed to have my concentration broken by ambient noise. So I put on a pair of closed over the ear headphones and cranked up my favorite angry German rock band Rammstein! I don't know if I wrote a lick of sense but it certainly was a kick to get in the groove and shut out the outside world.

The downside to this scheme came up when I was startled to find my girlfriend standing to the side and watching me type - with no idea of how long she had been standing there.That's when I realized I wanted a typing isolation room - maybe with a red rotating light next to a Typing sign and emergency entry by a break glass actuator only. Nothing fancy.