Often lossless-rips appear before the start of official sales in specialized trackers. This is not a scene, but a normal stamped disks. Where do they come from the people — XS.
In the era of copyrighters much easier to download some things, it is recognized by many people, even willing to pay for quality content.
So the choice is to go for wool or search of foreign monsters like iTunes or Amazon.
ITunes, by the way, sells in its lossless format alac (apple lossless audio codec) which is no worse than proper rips shot using eac. Is that an original disk to recreate will not work :)