The common ways of orff instruments's accompaniment are:

1. Harmony accompaniment

Harmony mode: different scales and chords are used for accompaniment, adding harmony levels to the main theme.

Chord playing: orff instruments can play chords, such as major triad and minor chord, to bring harmony to the music.

2. Rhythm accompaniment

Beat the rhythm: use orff instruments to play the rhythm, emphasizing the rhythm and beat of the music.

Rhythm change: It can show a variety of rhythm effects through different hitting methods, such as hitting, knocking and rubbing.

3. Music accompaniment

Sound effect creation: orff instruments's unique timbre and playing method are used to simulate natural sound effects or sound effects of specific scenes, so as to enrich the expressive force of music.

Music matching: playing in a specific part or transition of music to make the music more vivid and interesting.

4. Take on the role of a specific instrument

Simulate the timbre of an instrument: use different orff instruments to simulate the timbre of other instruments, such as xylophone simulating piano and metal piano simulating percussion.

Band role: Play the role of different instruments in a band, such as simulated percussion band, brass band or string band.

5. Expand the range and timbre

Range expansion: There are many kinds of orff instruments. You can expand the range and enrich the music level by choosing different types of instruments.

timbre change: orff instruments with different materials, sizes and timbres is used to create diverse timbre effects.

6. Interact with the main theme

Echo of the main theme: orff instruments can interact with the main theme, and form a dialogue and echo with it through imitation, repetition or counterpoint.

orff instruments plays multiple roles in accompaniment, which can add different levels and dimensions to music. Through its unique timbre and flexibility, it can bring rich expressiveness and diversity to music.