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For normal usage, solder the screen at both ends.
If you are making up quite a few leads it is useful to make some "specials"
One guitar TS jack, with as you say, the shield dissed one end can be handy if you want to link two pieces of earthed gear such as two amps or an amp and a PC system....But FFS label it!
The same goes for XLR-XLR mic leads but in this case you can just make up a "slug" about 300mm long to insert wherever needed. This would have pin 1 unconnected. Another 300mm slug might have pins 2 and 3 crossed one end to server as a phase reverser.
If you want to get REALLY into things! Make up some gender changers as well.
Sometimes the loss of earth one end results in Radio Frequency Interference. This can usually be stopped by fitting a capacitor, about 1nF from shield to sleeve/pin 1.
Dave.