In the late 1990s and early 2000s, Glass's lyrical and romantic styles peaked with a variety of projects: operas, theatre and film scores (Martin Scorsese's "Kundun", 1997, Godfrey Reggio's "Naqoyqatsi", 2002, and Stephen Daldry's "The Hours", 2002), a series of five concerts, and three symphonies centered on orchestra-singer and orchestra-chorus interplay. Two symphonies, Symphony No. 5 "Choral" (1999) and Symphony No. 7 "Toltec" (2004), and the song cycle "Songs of Milarepa" (1997) have a meditative theme. The operatic Symphony No. 6 "Plutonian Ode" (2002) for soprano and orchestra was commissioned by the Brucknerhaus, Linz, and Carnegie Hall in celebration of Glass's sixty-fifth birthday, and developed from Glass's collaboration with Allen Ginsberg (poet, piano—Ginsberg, Glass), based on his poem of the same name.