I will leave my own bit:
For me best works instrumental stuff... i am with love to music from Kai Engel. Two tracks are not same and it is relaxing for me.
My other picks are:
Fountain OST - ok it is depresing, but beautifull
Pacific Rim OST - marching-epic
Oblivion OST - spacely epic
Edge Of tomorrow OST - alienly epic
House of Cards OST - classical instruments, good even for sleeping
Assasins's Creed 3 OST - quick, it will literally speed you up :)
Former Java engineer turned Ruby engineer who is trying to understand Ruby and Rails, MacOS and a lot of other things. Worked at Flywheel, FNBO, ACI Worldwide.
I will leave my own bit:
For me best works instrumental stuff... i am with love to music from Kai Engel. Two tracks are not same and it is relaxing for me.
My other picks are:
Thanks for all the new suggestions! I haven't heard of any of these, and I now have a ton to work through :)