Determine the emotional tone of the following tweet: "@glenberube @DonnaGrantis @idanielsenbass @HannahJWelton watching this again makes me weep tears of joy and tears of sadness that he's gone". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
joy, sadness