This audio features the Subway Bosses Ingo and Emmet, and since I heard it I decided that I had to translate it in order to know what they were saying!
I tried to make it as accurate as I could and I apologize in advance if there is any kind of error in the translation since neither English nor Japanese are my native languages.
And now, without further ado, here are the lyrics!
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Battle Subway - Underground Maniac Express
▲ “Battle Subway trains bound for all directions will arrive at each platform shortly. Be careful, so please step back behind the yellow line and wait.”
▲ “I am Subway Boss, Ingo. The fellow over to the side is also a Subway Boss, Emmet. Now, Emmet, if you have something to add, please, proceed.”
▽ “Follow the rules, safe driving!”
▲ “Follow the schedule, everyone smile!”
▽ “Point Check!”
▲▽ “Everything’s ready! Aim for victory! All aboard!”
▲ This world is full of strange people
Today too, they fight, go mad, and become obsolete
I love to win, and I love to battle
These strong feelings take shape
Now, let’s dance through this place!
▲ Run, run, grab victory!
Fly, go crazy
Can you stick to your own beliefs?
The sound of the train departing resounds
without knowing where we're going
To victory or defeat, which will it be? Now,
go and devour your dreams!
▲ Win the Battle Subway
Flip off the raging attacks
Surpass your opponent and reach even greater heights
Go with all your might on the Battle Subway
Run towards the destination you aim for
in search of victory!
▲ “Thank you for riding the Battle Subway today. Now, how you fare against the two of us? I’m looking forward to it.”
▽ “Pokémon battles aren't fun if they're not serious.”
▲ “Can you stay true to yourself no matter who your opponent is?”
▽ “It'll be an amazing battle in which each Pokémon using various moves!”
▽ “Let's go, Ingo!”
▲ “Yes, let's go, Emmet!”
▽ “I am Emmet. I like combinations of two Pokemon, and I like winning more than anything else!”
▲ “What do you see beyond victory?”
▽ “Come on, let’s begin!”
▽ In a swinging space just for us
Today too, moves collide with moves
This place secretly hungers for battle
Whisper to the egg you’re holding
Come on, let's become friends too!
▽ Run, run, drive safely
Get serious, get ready
Go and grab the victory!
When you hear the sound of departure
An amazing battle will begin
And this moment will seem like an illusion
▽ Wherever we can go Battle Subway
Let's have such an amazing battle together
that will make us find the meaning of your birth
Win as much as you can in Battle Subway
There's only one thing to aim for
I won't lose to you!
▲▽ This is the last stop on the Battle Subway
▽ On this place where dreams collide
▲ We look forward to ▲▽ riding with you again
▲▽ We are leaving the Battle Subway
▲ Now you ▽ can't slip away from the
▲▽ Underground maniac express
▽ “Bravo!” ▲ “Excellent!”
▲“I, Ingo, and” ▽ “Emmet” ▲▽ “make a good two-car train formation.”
▲ “I am glad that I fought so hard against a wonderful Pokemon Trainer like you.”
▽ “But if we fight again, we won't know what to expect.”
▲ “Please continue to aim for even greater heights.”
▽ "That's why we are waiting–
▲ “–For all of you” ▽ “For all of you–”
▲▽ “–to come here again!”