 This technology allowed for timpani to be tuned much faster by the musician.The Dresden tuners could also be added onto existing timpani, allowing symphonies to continue using their existing instruments while still employing this new technology.Lastly, the 19th century also lead to the development of valves, and when added in to the construction of trumpets and horns, they allowed for the instruments to express a broader range to the harmonic series of notes being produced.