I think this is the answer. The tank not being cycled is obviously a problem, but not one that will kill off relatively hardy tetra overnight. Chloramines will. You need dechlorinator.
Kanped
joined 1 year ago
This is where you reply "Give it 56 minutes or so and it should be there".
Repeat as needed.
Easiest one I can think of to get you started is Virus by Iron Maiden. Just follows the vocal melody, very simple.
After that I think some early Metallica ones are pretty easy, never learned any of those myself.