The snippet is for track #2 "Is It The End?", which seems to be of the R&B ballad genre.
As mentioned before, the boys' title track and album is titled "Ddui Ddui Bbang Bbang", (sounds of cars and horn noise), and by Brave Brothers. There will be 5 tracks including the title track and "Is It The End?", "Hello", "Hello Mello", and "(Melody) That Won't End". "Hello Mello" and "(Melody) That Won't End" are actually self-composed tracks by the members for their fans.
So prepare for the group's return on the 17th by checking out the first audio snippet released above!
[Updates] - Cube has just release more audio snippets, this time of the song "Hello" & "Hello Mello", "(Melody) That Won't End" You can hear them below!