Wow . . .
The Choreography in this MV is fantastic. They literally charge from scene to scene like morons looking for a Frisbee's landing spot by chasing it on the wind. The moves play with the words perfectly; my favorite example is at :56 when the line 'everybody put your hands up' as he flips over himself. It's a great surprise, because everyone listening knows the idea of hands up in MV's so you don't expect anyone to put their hands so opposite of up that they hit the floor, but it's timed so perfectly that by the time the lyric gets to the word 'up' his hands rise up from the floor to over his head, far further than the usual rise of from the sides to just over the head. I really like it. I also like flips, so that might have something to do with it. But anyway, the choreography balances strong moves that are dramatic and powerful and filled with a distinctly masculine charm with moves that have comedic value along with a significant aegyo index. The focus-member shifts are elegant and smoothely done and work absolutely perfectly.
Think is definitely the best release that BigStar has released so far, but all of their songs are solid. They've got a unique sound in Kpop, very rap-heavy but not with the deep bass resonance of most rap heavy groups like debut-mates B.A.P. They've got a very high synthy sound that has BraveSound's signature sound laced inside of it. The songs are all well constructed, they're balanced and spatialized, making fantastic use of harmonics and ear-attention to draw the feel of the song about the listener without needing to make sweeping gestures of music. This song in particular mainly uses the lower harmonics and the high sound effects to spatialize. The vocals are remarkable crisp, held inside a bubble of sound that's not hit with interference by any of the other elements.
The other thing I really like about BigStar is that their sound is tremendously consistent. They're a lot like BEAST in that regard, they can put out a track in any one of a dozen genres and it still sounds exactly like the standardized BigStar sound. They've got some killer talent and they really should be much more popular than they are.