Evening photo-shoot of the Philharmonie

Usually I've my traditional habits: I'm not like Sheldon from The Big Bang Theory, but I roughly end up doing more or less the same things for each day of the week.
Today, for a serie of combinations, I ended up being around just after the sunset with my camera in the car and not being in a hurry to get somewhere - as it usually happens on weekdays after work...

Somehow it had been a while since I thought about taking some shots of the Philharmonie, and what a better occasion than an evening when there were no events in there and Luxembourg was half empty because of the carnival vacation period?

So there I was, with my camera, tripod, lenses... everything I needed.
And as I prepared the first shot I took out my remote shut releaser and...out of battery! Honestly, I used it once just to test it, then I put it away paying attention to the battery, i.e. re-placing the plastic film to avoid any useless battery use. Anyway, it didn't work, so back to the origin and no remote.
Just a minor note for whoever is interested, I took the occasion of not being in a hurry to shot each single frame in complete manual mode: the reality is that the low-light situation in combination with the colors lights did really freak out the metering of the D3200.

My aim was mainly to work a bit with the angles and perspective in order to make a kind of interesting composition, and play a bit with the light just to make everything look good.

I've seen the Philharmnie at night for so long, that I actually never realized the lights colours are changing!
And while walking around the building I even realized that not all the sides are coloured...

As always I looked for some particular looks, or interesting perspective: this time I found a water reflection .

Honestly that wasn't the best water reflection shot of my life, but in my defense I can say that there was practically no reflection in the water, there was no light at all apart of the lighted window you see in the reflection, and it was extremely difficult to focus on it... with a little post-processing it's still a decent picture though.

The same corner from a different point of view.

When I actually arrived on site I found a couple of photographer - I think it was like an individual photo class or something like that - that were taking some shots from this spot, and I can understand why.

But I must say that I've seen this picture so many times that doesn't really impress me. I prefer this other view, even if the Melia hotel really ruins the shot.

I left what was the first shot as the last one in this post. The motivation is really simple: when I started looking at the photo and fixing the small details here and there, I really couldn't decide if I should have this one in colours or B&W.

What do you think? Which one looks better to you?