It's a different kind of minimalism, but I've found Philip Glass' Akhnaten (https://www.youtube.com/watch?v=EAiv-LU82t4) and Piano Etudes (https://www.youtube.com/watch?v=-Pe7Lelts8g&list=PLVyiUXw5ED...) to be excellent background listening.
btw. that 1st link you posted is pretty much opposite of minimalism, very complex