Giovanni Girolamo Kapsberger (c. 1580–1651) was an Italian composer and lutenist known for his contributions to early Baroque music. He was particularly recognized for his innovative use of the theorbo, a string instrument similar to the lute, which allowed for a rich harmonic texture in his compositions. Kapsberger's works often featured intricate melodies and were influential in the development of instrumental music during his time. Kapsberger spent much of his career in Rome, where he served various patrons, including the Papal court. His notable compositions include a collection of instrumental music and vocal works, showcasing his versatility as a musician. His legacy continues to be celebrated in the study of early music and the evolution of string instruments.