He's William, he's Bill, it's "Clark" with or without an "e" at the end, he's even William E. Clark in the most detailed of liner notes. These many spelling variations are still far outnumbered by the possibilities in approaches to jazz drumming, which is what this William Clark dedicated his life to. He worked so consistently between the '40s and '60s, and with such itemized finesse in contrasting settings, that skeptical discographers as well as casual listeners could be forgiven for assuming there would have to be more than one jazz drummer named William Clark. If a net was...