“…While a number of researchers have focused on the topic of collaboration as a means to make professional development more successful and meaningful (Gruenhagen, 2009;Hammel, 2007;Kastner, 2012;Monsour, 1991;Pellagrino, 2011;Pelletier, 2013;Stanley, 2012;Stanley, Snell, & Edgar, 2014), fewer have considered the long-term benefits that collaboration could play with helping ease feelings of isolation (Sindberg & Lipscomb, 2005). There is further evidence that informal, rather than formal, collaboration among music teachers might be the most valuable form of professional development (Conway, 2008), but both forms of professional development are shown to have value (Eros, 2013;Pelletier, 2013). The formal model provides opportunities for music teachers to initially connect, which can help to promote further informal collaboration experiences of music teachers with their peers in the future (Conway, 2008).…”