Esa-Pekka Salonen’s Cello Concerto soars on Cloud Nine

In Esa-Pekka Salonen’s radiant and surprisingly hopeful new Cello Concerto, Yo-Yo Ma is asked to be a combination wave-maker and cloud seeder. What with our winter of drought, those are not unwelcome metaphors to begin the Los Angeles Philharmonic’s “Composer Salonen” series of programs celebrating…