Fiscorn powerful baritone voice has no counterpart, (save perhaps the piston-valved marching baritone), in the organology. The forward-projected sound makes a pair of fiscorns the most suitable two instruments to join the shrill Catalan shawms (tenoras and tibles) and flabiol pipe, together with trumpets and trombone in the outdoor town-square setting where the cobla bands play for sardana dancers. While the instrument is often played by trombonists, its conical nature is easily mastered by tuba or euphonium players. Several instrument manufacturers have attempted to solve the intonational discrepancies of the instrument in recent years, with a varied success. The instrument is
Tuba a strap joined to the tuba with two rings. The strap goes over the shoulder like a sash, so the musician can play the instrument in the same position as when sitting. The tuba has been used in jazz since the genre's inception. In the earliest years, bands often used a tuba for outdoor playing and a double bass for indoor performances. In this context, the tuba was sometimes called "brass bass", as opposed to the double bass "(string bass)". Many musicians played both instruments. In modern jazz, tubas usually fill the traditional bass role, though it is not uncommon