In the 19th century, the opera conductor, composer, and bassist Giovanni Bottesini was considered the "Paganini of the double bass" of his time, a reference to the violin virtuoso and composer. Bottesini's bass concertos were written in the popular Italian opera style of the 19th century, which exploit the double bass in a way that was not seen beforehand. They require virtuosic runs and great leaps to the highest registers of the instrument, even into the realm of natural and artificial harmonics. Many 19th century and early 20th century bassists considered these compositions unplayable, but in the 2000s, they are frequently performed. During the same time, a prominent school of bass players in the Czech region arose, which included Franz Simandl, Theodore Albin Findeisen, Josef Hrabe, Ludwig Manoly, and Adolf Mišek. Simandl and Hrabe were also pedagogues whose method books and studies remain in use in the 2000s.
