Nighwish: Dark Passion play (24Bit 48KHz), and Visions of Atlantis: Delta (CD)
Lossles .flac => Schiit Modi (USB) => Optonica SM1616 => Beyerdynamic T1
or lossless .flac => Schiit Modi (USB) => Schiit Magni => Beyerdynamic T1
The Modi is still more detailed then the Optonica, but that's probably due to it not being restored yet.