(Photo credit: Alastair Muir) The Los Angeles Philharmonic will present the U.S. Premiere of “Last Days,” Oliver Leith and Matt Copson’s opera based on Gus van Sant’s 2005 film of the same name. The opera, which premiered at the Royal Opera House in 2022, follows a fictional account based on the death of Kurt Cobain. Agathe Rousselle plays Blake, who {…}