Is fear of death synonymous to the fear of leaving behind too much unfinished business?

I may suffer from a fear of loose threads in the fabric of life. To me, creative work equals — or to be honest, surpasses — in importance the traditional “work of creation” ie. reproduction. I feel like the music, paintings etc. are my children in a way. Altogether they form a line of memetic heritage that requires constant attention to continuity and renewal…