The six symphonies published in Paris by Huberty in 1758 as Opus 4 include two of the composer's orchestral trios (Wolf Cm 1 and Gm 1). The remaining works appear to have been composed over a period of approximately seven years: the earliest work in the group is probably Op.4 No.4 (ca.1750-1753) while the second - styled Sinfonia Pastorale - may be among the last symphonies Stamitz wrote. The two trios also appear to be late works and may have been written after the composer's return to Mannheim...