a cappella choir

As part of the “Global Ode to Joy” celebration of the 250th anniversary of Beethoven’s birth last year, the artist Dalia Ihab Younis wrote a new text for the final chorus of the Ninth Symphony which, performed by an Egyptian a cappella choir, taught elementary signs in Arabic Sign Language.

One source he drew on was a set of serenades for male a cappella choir from the 1970s — one of them addressed to beer.

In 1974, as a college student, he performed at the festival as a member of U.C.L.A.’s a cappella choir.

There’s a new solo that Mr. Abraham, dancing as gorgeously as ever, has made for himself, accompanied by an a cappella choir singing Björk.

A violinist, a debater, a singer in the a cappella choir.