Here the divided instrumental forces were conducted by Kent Nagano and the composer.

The various BBC orchestras form the heart of the instrumental forces.

The beginning and concluding movements often use all the instrumental and vocal forces.

Written for outdoor performance, the work is scored for huge instrumental and vocal forces.

In its early years the company was the instrumental force in getting settlers into the Nebraska Territory.

His works include pieces both for instrumental and electroacoustic forces.

Percussion aside, the score is remarkably restrained in its use of instrumental forces.

Likewise, he wrote of the instrumental forces required:

Such a band can develop an integrated attack, a balance of instrumental forces, an empathy that seems almost preternatural.

They were an instrumental force in revitalizing underground hip-hop as a whole, an...