“…Many music education scholars have examined music teacher professional development to discover what qualities make it most relevant and beneficial (e.g., Bauer, 2007; Conway, 2007, 2008, 2011; Stanley, 2011). Music teachers and researchers have agreed that content-specific professional development is best (Ballantyne, 2007; Bauer, Forsythe, & Kinney, 2009; Burkett, 2011; Conway, 2008, 2011; Conway, Hibbard, Albert, & Hourigan, 2005; Hourigan, 2011; Pellegrino, 2011; Scheib, 2006; Stanley, 2011; Stanley, Snell, & Edgar, 2014). Burkett (2011) found that instrumental music teachers valued subject-specific professional development and appreciated using materials from their classrooms as content because it was meaningful and relevant to their teaching situations.…”