Songs found in this novel are listed here -
1. Cleopatra - The Lumineers [Introduced in Chapter 10]
2. Was there nothing? - Asegir [Introduced in Chapter 29]
3. Monster - Mumford & Sons [Introduced in Chapter 87]
4. Ophelia - The Lumineers [Introduced in Chapter 135]
5. Budapest - George Erza [Introduced in Chapter 187]
6. Believe - Mumford & Sons [Introduced in Chapter 243]