TheWeightOfLives debut as 3rd song for theDOGS (Album), it is also the 4th song in the original soundtrack of the film Attack on Titan Part 2: Jiyuu no Tsubasa and the 12th track featured on "Attack on Titan" Season 2 Original Soundtrack Disc 2.
As with all the other OSTs, it was composed and arranged by Hiroyuki Sawano.
This song contains 4 leitmotifs, Split into 5 parts.
1st Part – Unique to this song, the motif is used in later soundtracks.
3rd Part – theDOGS
4th Part – 2Volt (Outro Part 1)
5th Part – theDOGS (Outro Part 2)