Is the vivaldi concerto in a minor 1st movement class a?

Yes, Vivaldi's "Concerto in A minor, RV 356" (also known as "Concerto for Strings in A minor") is typically classified as a Class A work. It is a well-known piece from the Baroque period, featuring the characteristic energetic rhythms and intricate melodies associated with Vivaldi's style. The first movement is particularly celebrated for its dynamic contrasts and virtuosic passages, making it a staple in the repertoire for string ensembles.