Willaert

Klaas Willaert, an international maritime lawyer who has served as a Belgian delegate to the Seabed Authority, denounced the arrangements.

“They are relying on a legal loophole here,” Mr. Willaert said.

Early in the King’s Singers’ Christmas concert at Washington National Cathedral on Saturday, the a cappella group performed a motet by Renaissance composer Adrian Willaert with the kind of seamless blend and pitch-perfect, liquid tone that could rival the sound of the Tallis Scholars, or any of the starriest early-music ensembles in the business.

The photograph was taken by biologist Bert Willaert, while he was snorkelling in a canal in Belgium.

The town's sub-prefect, Patricia Willaert, estimated that 300 family members attended.