On coming across Chris Raettig's Corporate Anthems website, KPMG responded as follows:

A recent audit of Web sites, to which KPMG is hyperlinked, has revealed that www.corporateanthems.raettig.org contains a link to KPMG's Web site, www.kpmg.com. Please be aware such links require that a formal Agreement exist between our two parties, as mandated by our organization's Web Link Policy.
Chris replied, "I'm not quite sure how a policy on your part translates into action being required on mine. My own organisation's web link policy requires no such formal agreement."

In my opinion, the KPMG email is an example of exactly the kind of corporate stupidity that gave birth to the awful anthem in the first place.