These are basically the same as on the tenor and bass trombones, although the contrabass trombone is harder to play.
The contrabass trombone is frequently used for thematic tasks in the contraoctave. Attention must be paid to limitations in the lower register arising from the great demands made on the breathing. Legatos can be performed with ease and a marcato articulation is also possible in low registers. Preparation is required to play the lowest notes. Good velocity possible in the middle register when a fourth-valve (in C) is used: this makes lower positions possible in the low registers.