I love going to the studio especially when I'm getting paid to go. Hours spent driving, tweaking knobs, moving cars, trying to find cashpoints, eating and drinking, with the occasional song played in between. Actually those were the things that got in the way of an otherwise quite productive day. My advice- never try do anything in one take unless you want to play the same song a hundred times.
a)- a size of spanner in the Imperial sizing system to fit 9/16ths of an inch nuts and bolts. b)- slightly more than half. c)- Revelation 9:16 "The number of the mounted troops was two hundred million. I heard their number."
d) the standard thread for bicycle pedals.