• There's a site which is collecting the dynamic range figures of versions of albums (http://dr.loudness-war.info/album/list?artist=Kate+Bush&album=The+Kick+Inside).

    It's helpful to see which albums have been tampered with to increase the perceived loudness. One of my favourite examples is Kate Bush - The Kick Inside. The dynamics of some of the CD releases had changed until pretty much every track peaks at 0dbfs, the original album exists in a Japanese CD version (TOCP 3005) where one or two tracks are noticeably quieter than the rest of the album.

    The Steve Hoffman Music Forum is a great place to find out which versions feature the best mastering.

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