“…Descriptions of "access" include sociological, psychological, and structural components. For example, by analyzing sociological factors (i.e., interactions among race, ethnicity, and culture with regard to teachers, students, content, instruction, and context), Butler, Lind, and McKoy (2007) demonstrated that the existence of a music program in a school did not necessarily mean that all students in the school had access to music instruction. Taking a more structural approach to describing access, Elpus and Abril (2011) found that students enrolled in high school performance ensembles were not representative of the general U.S. population.…”