The ensemble has also reached outside these areas to perform very early music (organa by the twelfth-century French composer Perotinus) and very recent music (new works by the Australian Elliott Gyger).
The only exception was Winchester Cathedral, where a systematic collection of organa can be found in the troper part—the so-called "Winchester Troper".
The other dynastic clans of the Bulgarians were the Dulo clan of Attila, and Ermi clan of Kubrat (Kurbat) maternal uncle Organa, the Gostun (custodian) of the Nominalia.