“…Much less is known—scientifically or by performing arts organizations hoping to understand and build their audiences—about listeners' experience (what they think, feel and do during and after a performance) than about the demographic characteristics of audiences going to concerts or buying recordings (Radbourne et al, 2013a; see also chapters in Burland and Pitts, 2014). Investigations of differences in actor-observer experience and cognition (Jones and Nisbett, 1972; Malle et al, 2007, among many others) and important studies of musical communication (Williamon and Davidson, 2002; Hargreaves et al, 2005; Davidson, 2012; Loehr et al, 2013; Cross, 2014; Keller, 2014; Bishop and Goebl, 2015, among many others) have not directly focused on how performing musicians' ongoing mental life while performing connects and doesn't connect with listeners' ongoing mental life as they experience the performance. We see these questions as addressing broader and fundamental unknowns: when and with whom do our thoughts and/or feelings overlap, and when and with whom do they not—whether or not we think they do?…”