[willu]

FWIW, they do have Tycho...

http://www.amazon.com/Awake-Tycho/dp/B00FSU5OFS/

[onyxraven]

And Chet Faker: http://www.amazon.com/Thinking-textures-Chet-Faker/dp/B009WJ...

I think the trick is: search as normal for music, then click the 'Prime Eligible' checkbox. It didn't show up otherwise.