"in duos" is not a correct form of written English.
In English the plural of "duo" is "duos". For example, you could say, "The quartet was reduced to duos for the performance."
Do people work in duos, large teams, by themselves?
Hall has been playing in duos with just bassists lately.
Mr. Morganelli is currently appearing in duos with various guitarists at Orissa in Dobbs Ferry.
The men, dressed in roomy jeans or shorts and various T-shirts, peel out in duos or larger groupings.
More and more in recent years, since the onset of tinnitus, Mr. Haden has been performing in duos.
When that spell is broken, when they appear in duos and actually touch, the contrast is shocking.
In later years, Ms. Thebom appeared often in duo recitals with the soprano Eleanor Steber.
The other great pleasure on Tuesday was Robert Fairchild in "Duo Concertant".
Activate your UNI, change your password, and enroll in Duo multifactor authentication (MFA).
They performed frequently in duo sonatas, and were often joined by the cellist Leonard Rose in trios.
Robert Levin appears frequently with his wife, pianist Ya-Fei Chuang, in duo recitals and with orchestra, and with violist Kim Kashkashian.
