1. Review the members of the percussion instrument family. Distribute the Instrument Families of the Orchestra handout that can be found within the Resource Carousel and review the information in the âPercussionâ column. 2. Play instrument listening clips for the percussion family from 'Perfect Pitch'. Build Knowledge. 1. Have students explore the following sites to learn more about percussion instruments: ArtsAlive.ca Music: Instrument Lab: Percussion: Percussion: here, students can learn more about string instruments and play clips
Comments. Submit. French drains should be dug to a depth of 8 to 12 inches, for a 4-inch pipe, with a minimum of 2 inches of gravel on all sides.omments. Submit. French drains should be dug to a depth of 8 to 12 inches, for a 4-inch pipe, with a minimum of 2 inches of gravel on all sides.
1 Trench lines should be plotted out before you begin digging French drains. 2  You need to create your own mini-slope to carry the water down to its destination. 3  A grade of 1% (i.e., a drop of 1 foot for every 100 feet in length) is often recommended for French drains; others advise a drop of 6 for every 100'.