seven seventh timbre tube trombone trombones slide glissando brass first trigger arms
The best instrument in the family is the . Not only does it have a beautiful , rich , mellow , it is the only instrument to use a . This mechanism is made up of positions allowing the player to from a mid - range B flat in position down to a low B natural in position . For those whose can´t reach that far , modern now come with a which allows players to change the length of the and low B natural can now be played in first position . How convenient !