What albums Paul Simon is buying -- Is the ''Graceland'' singer looking to Gregorian chant as his new inspiration?

After the cross-cultural fusions of Graceland and Rhythm of the Saints, you’d think world-beater Paul Simon would be running out of exotic musical traditions to use on his next album. But our L.A. spy caught him at the record store recently and peeked at the titles he was buying:
· Gregorian Chants of the Coptic Church
· Greatest Hits of the Azores
· Liechtenstein — My Land, My Heart, My Tax Haven
· Mouth-Popping Solos by New York Maitre d’s
· The Legendary Don Ho