 About 18 months after he arrived in Vienna, in the Autumn of 1782, Mozart wrote a series of three concertos for his own use in subscription concerts.He did, however, write, in the spring of that year, a replacement rondo finale in D major, K. 382 for No.5, a work that proved very popular (on October 19, 1782 he completed another rondo, in A major, K. 386, possibly intended as an alternative ending for No.