Fig. 2From: “Song of Life (SOL)” study protocol: a multicenter, randomized trial on the emotional, spiritual, and psychobiological effects of music therapy in palliative carePatient assessments. Notes: HRV = heart rate variability, BVP-A = blood volume pulse amplitude, S = therapeutic session, T = overall timing of assessment, Q = timing of questionnaire assessment, D = timing of distress assessment, C = timing of cortisol /α-amylase assessment, H = timing of cardiovascular recordings, I = timing of interviewBack to article page