Option 'Suspensful': "Rynos Theme" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Option 'Calming': "Almost new" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Option 'Uplifting Bright': "Fretless" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Option 'Mystical': "Ascending the Vale" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/