On the official site of Rotosound (www.rotosound.com) in the Artist category, it is written that Roger Waters used these strings to record 'The Dark Side of the Moon'
[On the Rotosound website](http://www.rotosound.com/%EF%BB%BFjazz-bass-77/), Sting is listed as an endorsing artist who has notably used their Jazz Bass strings.
These strings have an incredible warm sound and still pack a bit of punch. Poorly enough I still prefer roundwounds on my fretless because they play much easier and they even on fretless have a much brighter sound.
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