How do I write inspired lyrics and vocal medlodies?

You don't. The harder you try, the more it will sound forced and bland. Try to trigger the inspiration by practicing more your other hobbies. You obviously like music, so keep on listening new stuff to get cool ideas. For the lyrics, you could start reading poetry books or novels in general. Just don't push yourself too hard. Inspiration is something that comes naturally.

>>16862281
Pray to Odin, the Muses, Apollo, or Dionysus for help.