Answer:
Its days are numbered.
Major or minor I can be, when you touch me make sure you that youβre on the right key.
One am I, among six others: Largest, smallest, cold, dark and two brothers
What get's more wet while it dries?
What instrument can you hear but never see?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.