A 17-year-old Berkeley Institute student has written a tribute song dedicated to murder victim Joshua Robinson.Keenan Bailey posted the song he wrote on YouTube on the same day of the murder on Saturday at Jason’s Barbershop on North Shore in Pembroke.The song, posted by the young singer, song-writer and producer can be seen on YouTube at the following link:http://www.youtube.com/watch?v=0DB90YP4UcQ&feature=plcp