S (serotonin’s level) = P (pitch of sound) + Pos (positive attitude) + T ( tonality) + BPM (BPM tempo) + I (likable associations) - the higher are the pitch and the BPM, the higher are the pleasant emotions min BPM 160
S (serotonin’s level) = P (pitch of sound) + Pos (positive attitude) + T ( tonality) + BPM (BPM tempo) + I (likable associations) - the higher are the pitch and the BPM, the higher are the pleasant emotions min BPM 160