In many of his works, the young Mexican composer Enrico Chapela takes pleasure in the playful and sensuous side of serial composing. For example, the commission to compose a double quartet inspired him to develop an idea according to which the exponentiated character of the two groups consisting of four string instruments each - a quartet 'raised to the power of 2' so to speak - should be displayed structurally, and so he invented a crossword puzzle ('Crucigrama') which he then retranslated into...