Solo opportunities fortuba players outside the orchestra are few, although the English composer Ralph (pronounced "Rafe") Vaughan Williams wrote a fine concerto fortuba and orchestra (1954).
It's not surprising, in view of his many innovations in orchestral instrumentation and sonority, that Hector Berlioz (1803-1869) was the first important composer to write for the tuba.
Last week I joined Navajo Nation leaders and Department of Justice officials in Tuba City, Arizona for the groundbreaking of a new corrections facility.