Wassenaer is a Dutch composer from the 18th century, known for his contributions to the classical music genre. His full name is Frans Willem de Wassenaer, and he was active during the Baroque period. Wassenaer is particularly recognized for his concertos and symphonies, which showcase the stylistic elements of his time. Although not as widely known as some of his contemporaries, Wassenaer's works have gained attention for their melodic charm and orchestral texture. His compositions often reflect the influence of other prominent composers, such as Antonio Vivaldi and Johann Sebastian Bach, making them an interesting study for music enthusiasts.