Is bass trombone music played an octave lower than written in orchestral scores?

Question:

Is bass trombone music played an octave lower than written in orchestral scores?

Best Answer - Chosen by Asker: (Are you using an F key attachment on a Tenor bone?)

Nope, all bone parts sound as they are written. However, when using the trigger, it allows you to have some eaiser transitions when doing runs or other arpegiated parts.

Easy instrument to write music for. :)