Reinbert de Leeuw; conductor fiercely advocated for contemporary music
The conductor, pianist and composer advocated for contemporary music in his homeland and enjoyed productive associations with the Los Angeles Philharmonic and the Tanglewood Festival.
Mr. de Leeuw conducted a rehearsal at Tanglewood in Lenox.
Composer Sofia Gubaidulina, with Mr. de Leeuw during the Festival of Contemporary Music at Tanglewood.
NEW YORK — Reinbert de Leeuw, a Dutch conductor, pianist, and composer who advocated — somet...