Wolfgang Amadeus Mozart's Rondo in B for Violin and Orchestra, K. 269/261a, likely was composed between 1775 and 1777 as a replacement finale for the Violin Concerto No. 1, K. 207.
Like the Adagio in E and Rondo in C, the Rondo in B was requested by Italian violinist Antonio Brunetti and Mozart composed the new finale for that work. It is not performed as such by modern orchestras, however, but presented as a separate work that is performed by itself.
The work is scored for solo violin, two oboes, two horns, and strings.
The Rondo is marked Allegro and its time signature is .