Del Slaughter received his musical training in Idaho (Idaho State College–BA in Music Education) and Utah (The University of Utah–MA in Music Composition.) He started his career teaching band and choir at South Fremont High School, eventually moving on to be a woodwind instructor at Rick's College (now BYU-Idaho) and teaching music in the Boise Schools. He ended his career by teaching 37 years in the Twin Falls School District. During this time he has been very involved in the community serving as the Director of the Twin Fall Municipal band for 11 years, the Magic Valley Symphony for 12 years, and was the Rotary Club song leader for 17 years.
Del served in many capacities as a member of the Idaho Music Educators Association. He has served as the President of District IV, State Orchestra Chair, and was IMEA President from 1968-1970. In the 1970's Del was nominated for the NW Music Educator's President position. In 1968 he was a guest conductor for the Midwest Band and Orchestra Clinic and in 1973 was IMEA Music Educator of the year.
Del and his late wife, Julienne, had four children, two sons and two daughters, all of whom are involved in music today. As of his inductions he has 20 grandchildren and 17 great-grandchildren. Del has built a great legacy of music in his family and community that will continue long into the future.