The Eiffel Tower becomes an instrument in these avant-garde compositions. Pulling simultaneously from the postmodern percussion approaches of composers like John Cage and Iannis Xenakis, as well as the more modern, aggressive electronic music of Aphex Twin, Bertolozzi has created a thrilling exploration of the intersection of music and architecture. “Evening Harmonies” is both serene and unsettling, while “Ironworks” points up the industrial precision of the famous landmark, one that can now be thought about in a new and unique way.