11 and 16, represent early efforts by Johannes Brahms to write orchestral music.
They both date from after the 1856 death of Robert Schumann when Brahms was residing in Detmold and had access to an orchestra.
As preliminary steps in composing for orchestra, he chose early on to write some lighter orchestral pieces, these Serenades.
[5] In the orchestration of the Concerto Brahms had solicited and got a great deal of advice from his good friend Joseph Joachim.
[8] The first public performance, reportedly for full orchestra (version lost?