Match.

1. subito () suddenly

2. bridge () pleasant, stable harmonic sound

3. consonance () transitional material connecting two sections of music

4. staff () standard five lines and four spaces on which music is written

1. Subito - suddenly

2. Bridge - transitional material connecting two sections of music

3. Consonance - pleasant, stable harmonic sound

4. Staff - standard five lines and four spaces on which music is written

Explanation:

1. Subito means "quickly; suddenly," is used alongside other musical commands to make their effects immediate and abrupt.

2. The Bridge is a transitional passage connecting two sections of a composition.

3. Consonant intervals are usually described as pleasant and agreeable.

4. In Western musical notation, the staff or stave is a set of five horizontal lines and four spaces that each represent a different musical pitch or in the case of a percussion staff, different percussion instruments.