In one of his operas, the "Huntsmen's Chorus" is sung before Zamiel guides a
 bullet towards Agathe, only for it to bounce off her bridal garment and kill Kaspar.
This composer of a Grand pot-pourri for cello created a cantata about God's creation of sound called 
Der erste Ton. Long after his death, one of this composer's concert waltzes was used for the ballet Le
 Spectre de la Rose. His piano works include his Momento Capriccioso in B-Flat major and his 
Konzertstuck in F minor. In one of his operas, the "Huntsmen's Chorus" is sung before Zamiel guides a
 bullet towards Agathe, only for it to bounce off her bridal garment and kill Kaspar. Berlioz orchestrated this
 composer's Invitation to the Dance. For 10 points, name this early eighteenth century composer who
 pioneered German Romantic opera by writing Der Freischütz.
This composer of a Grand pot-pourri for cello created a cantata about God's creation of sound called 
Der erste Ton.
Carl Maria Von {Weber}