Clue #1: Seal, Staton, or Sinatra?
Clue#2: a 5th episode, a sequel and its animals may give you a hint.
Clue #3: check the images...
https://forum.maidenfans.com/attachments/pic-gif.7875/
Clue#4: Ex-Genesis' or ex-Mercyful Fate's? They're both an hoax practiced 'till perfection!
Clue#5: Break this riddle and a verse from the song you'll find...
I don't climb like a monkey, sunken crews I don't crave
but I pretty much sound like the first and the second is my name
mastered both rhythm and chanting and albums made eleven
and though you must descend to meet me, this "monkey" has gone to heaven
(wrong guesses: running free, isle of avalon, seventh son, the prisoner, death or glory, the nomad, no more lies, the talisman, empire of the clouds, transylvania, coming home, doctor doctor, children of the damned, rime of the ancient mariner, the unbeliever, aces high, como estais amigos)
Clue#6: Though they're top of their league, all teams are above this one: Cartwright, Bledsoe, Richardson, Ruby and Blunt