All of Wendy Carlos's recordings have been deleted from the Columbia Records catalog. In October, 1999, "Switched-On Bach", "The Well-Tempered Synthesizer", "Switched-On Bach II" and "Switched-On Brandenburgs" were remastered by Wendy Carlos and released as "Switched-On Boxed Set" (East Side Digital, ESD 81422, 3 CDs and 1 Enhanced CD, 2 books of liner notes).