Telemann’s contributions to the development of the modern orchestra should be noted. He wrote a ton of “overtures”—not necessarily for operas, but rather as proto-symphonies. These multi-movement works are the bridge from the concerto grosso form to the symphonies of Haydn and Mozart.
Georg Philipp Telemann, Overture in B Minor:
Telemann’s favorite instrument may have been the trumpet. The great Maurice Andre regularly played Telemann’s trumpet concertos in concert and are among the first works of music I fell in love with. Here is is performing the adagio that opens the first trumpet concerto in D major, which is one of the great melodic lines in music history. And, then, the opening allegro of the Concerto in F minor.
Georg Philipp Telemann, Trumpet Concerto No. 1 in D Major, Adagio:
Georg Philipp Telemann, Trumpet Concerto in F Minor, Allegro: