Amazon used to consistently offer excellent prices on art music CDs, typically selling full-price releases for 70% or less of their (inflated) MSRP. Then they started selling digital music downloads. Since then, anything that Amazon offers on physical media seems to go for awfully close to list price if it is also available as a download, e.g.:
I’m sure this is simply a freak coincidence.
RIYL: Scarcity (in 2008)