magnetic storage media

I have my 58-note catalog (organised by title and by composer) stored
on 8-inch floppy disks for an I.B.M. main-frame computer.  I have been
unable to read these discs for 15 years, although I have tried to find
someone with an old computer to convert them for me.  I cannot bring
myself to destroy them, but who would want the discs which cannot be
read?  The paper versions I have are suffering from being copied or
scanned so many times, but they are at least useful.

What does this say about digital music storage in the future?

Kevin McElhone, UK