Michael Zwiebach

Composer Elinor Armer brims with excitement about creating music. "There's a kind of energy that I feel when I'm playing music or writing it. I feel exhilarated and happy and 'God, is this fun.'" Armer, who retired from teaching at the San Francisco Conservatory of Music a few years ago, is co-honoree in a special concert by the Conservatory Orchestra this week.

Not many musical works present a moral/political position with the power and persuasiveness of Benjamin Britten's War Requiem. Advocating the composer's nearly lifelong commitment to pacifism, the work was given a stirring performance by the San Francisco Choral Society on Friday at Davies Symphony Hall.

Handel's Italian operas live through great singing, more so than many of their bel canto brethren. The subject matter and sensibility of their stories can seem foreign to us, and the arias are founded on emotions and metaphors that recur in every one of the operas.

Every year, as May turns to June, arts communities recognize the rites of summer with festival concert series.

Maria Billingsley's Martinez Opera has done a great deal of community outreach and educational programming over the six years of its existence. That has given her company an identity and strong local support. Ultimately, though, an opera company is valued and judged by the quality of the work it puts on the stage.

The present efflorescence of countertenors on the vocal scene has allowed us to see the possibilities and individual variations in the voice type.

Israeli percussionist Chen Zimbalista is a throwback to the days when “entertainer” wasn’t a pejorative term.

What would happen if you took the “postmodern” project to its logical conclusion and eradicated the theoretical, conceptual, and practical boundaries between large genres of music like, say, classical, jazz, popular, sound experiments, and electronic composition?

It’s always worth braving the elements to hear Verdi’s Requiem Mass, a score that is equally elemental and multifaceted.