He was a member of the official singing group of the United States Air Force.

VOA: special.2010.03.07

It's something like liner notes or a performance history of the cosmos' greatest singing group ever.

就像插画一样,或者是世间最大的合唱队的表演。

耶鲁公开课 - 弥尔顿课程节选

Touch of Class is a student singing group at Chantilly High School in Fairfax County,Virginia.

VOA: special.2011.04.01

Later,some members of the group formed the folk singing group called the Weavers.

VOA: special.2010.06.20

Mary Mary is a two-member singing group from California.

VOA: special.2011.04.01

He was five years old when he began singing with his brothers in a group called the Jackson 5.

VOA: special.2009.07.05

Every time the friends try to speak, another group of people starts singing the word SPAM very loudly.

VOA: special.2009.04.19

When the group broke up, Bing started singing alone in nightclubs and on the radio.

VOA: special.2009.03.16

(SINGING) Dr.Ana Mara Tekina-eir Maynard leads the group in song.

VOA: standard.2010.04.05