I am listening right now to the concerto for violin, cello, and orchestra by Johannes Brahms. And I am enjoying it a lot, because the two instruments seems to come across as a single soloist.
In most recordings that I know, one player is frequently a a World – Class performers, and the second is not quite as well matched.
In the performance I am hearing, the soloists are cellist Mstislav Rostropovich and violinist Yitzhak Perlman. And the results are astounding! Phrasing is matched and dynamics are also beautifully performed. Rarely, if ever, is there an area where one soloist is accompanied or subservient to the other.
Let me show you a video which illustrates this:
