Several artists uses the name The Diamonds: One from Canada, another from Norway and yet another probably from Jamaica. 1. The Diamonds (Canada). The original vocal quartet consisted of Dave Somerville, Phil Levitt, Ted Kowalski, and Bill Reed. When Kowalski and Reed left they were replaced by Californians John Felton and Evan Fischer. In the beginning the group practiced several types of vocal styles, including four part "barber style" harmony. The Diamonds began their singing in local clubs, school functions, church socials, and anywhere they could find an audience.