From mastering engineer Paul Blakemore's website. He discusses working on the Coltrane '58 set:
It was a massive project sourced only from original Rudy van Gelder master ...
I want to second aubullience's comment. This AP SACD of Aja absolutely trumps the Japanse 2010 edition, which I reviewed (as a user) for the old SA-CD.net site. This new ...
Original 2011 SHM SA-CD title, using japanese masters (that were at the time of the album's release directly copied from the original UK master tapes).
The 2016 SHM SA-CD ...
Thank you for your review of this, Adrian - a welcome bolt from the blue indeed! If anyone wishes to dip a toe in the water a substantial excerpt is available on Challenge ...
For those interested in a physical format, this is also available on Blu-ray video, although the resolution is Stereo/Multichannel 24bit 48kHz. The sound is superb especially ...
I am happy to see hires digital here, but mastering is crucial. Unfortunately, some remasters are much worse, so stating the date and source of the master is invaluable.