Desert Regional Center (DRC) is a governmental agency with the Aging and Disability Services Division in Nevada. They have programs where qualified individuals receive an allotment of monthly funds that can be used for various services. You can use your DRC funds here at Dynamic Music Therapy (respite and SDFSA).
If you are interested in learning more about these programs, contact them here. Understand that there is a significant waiting list to receive funds if you qualify.
Local Agencies
National Resources
Resources for parents about IEP