cóunter・attàck-m'ænkάɪnd is the 5th song in the original soundtrack album. As with all the other OSTs, it was composed and arranged by Hiroyuki Sawano.
This song contains 3 leitmotifs.
1st Part - Unique to this song but the motif get used on other tracks later on (Original Section 1).
2nd Part - XL-TT
3rd Part - The Reluctant Heroes