With cathartic waves of drumming, Kid Millions of Oneida formed a duet with the tenor saxophonist Jim Sauter of Borbetomagus.
"A good friend of mine who played guitar and sang urged me to form a duet with him," she said.
A couple of years later, Wright and Jack Anglin formed a duet act, Johnnie & Jack, and she toured with them in the then conventional role of the "girl singer".
Ochs and Glover formed a duet called "The Singing Socialists", later renamed "The Sundowners", but the duo broke up before their first professional performance and Glover went to New York City to become a folksinger.
The soothing blinking of the tree and the frantic flickering of a TV screen somehow form a visual duet, and create the true light of the modern American Christmas.
The song of the indri can last 45 seconds to more than 3 minutes and tends to coordinate to form a stable duet comparable to that of gibbons.
The acoustics followed, forming an otherwise impossible duet of two of the world's greatest concert halls.
Several days before, Ms. Bird saw a performance of Vivaldi's Gloria danced by the company and, because of the choreography, discovered that the soprano and bass lines form an interlocking duet: something she had never fully appreciated, even when she had performed the work.
In the first duet Ms. Arthurs is held upside down in a split, her legs forming a T-bar above Mr. Hanna's vertical frame.
Each takes the form of a duet backed by a 16-strong, black-clad ensemble.
