Gran Duo Concertante
The Gran Duo Concertante for two double basses and orchestra was composed by the Italian double bass virtuoso Giovanni Bottesini in 1880 . 
<triplet> Gran Duo Concertante <subj> Giovanni Bottesini <obj> composer <subj> 1880 <obj> publication date <triplet> Giovanni Bottesini <subj> double bass <obj> instrument <subj> double bass <obj> instrument