About the Half Speed Mastering Process:This record was cut using a special technique known as half-speed mastering. In this process, both the source for this record and the platter on the cutting machine are run at half speed, so twice as much time is spent cutting the intricate groove in the master record.This hand-crafted approach results in cuts that have superior high-frequency (treble) response and solid, stable stereo imaging.In short, a very high quality master that helps create a very high quality record.