If You Don't Know
5 Seconds Of Summer
| Trajanje : 03:27
Avtor glasbe: Luke Hemmings, Calum Hood, Steve Robson, Benjamin Madden, Joel Madden
Ta skladba se nahaja na 2 naslednjih albumih:
Don't Stop
5 Seconds Of Summer
Don't Stop (B-Sides)
5 Seconds Of Summer