Axiom of Choice - Math

Let C be a collection of nonempty sets. Then we can choose a member from each set in that collection. In other words, there exists a function f defined on C with the property that, for each set S in the collection, f(S) is a member of S. more:

Persian émigrés and American compatriots who have molded a sound that combines Middle Eastern melodies and rhythmic structures with progressive Western concepts. Their music features exotic and sensuous traditionally-styled Persian soaring feamale vocals, Middle Eastern and African instuments, and a series of re-engineered instruments that enables them to play the several modal scales that are unique to their music. more: