This is one of the primary types of marching snare drum heads. Many attempts at formalizing a standard list of American snare drum rudiments have been made. A rimshot is a percussion technique used to produce an accented snare drum backbeat. Other methods include mounting the brake drum on a snare drum stand. These drumming patterns became the basis of the snare drum rudiments. There are numerous examples in music of the snare drum being used in this fashion. A common snare drum roll is the closed roll. He also took lessons from snare drum specialist Murray Spivack and Rob Carson. The term "boom bap" represents the sounds used for the bass and snare drum. Morris did the bass drum and the snare drum first. Rudiments are sets of basic patterns often played on a snare drum. Some piano was also added at this time, along with a snare drum part. A speaker was then placed on top of the snare drum, and a microphone below. Currently he states he likes a four-piece kit with a shallow snare drum. Pearl Drums produce his signature snare drum.