A collection of electronic music tracks in GRUB's init_tune format. Kraftwerk, Jeff Mill's "The Bells", Aphex Twin, Donna Summer, with more additions to be added in the future.
Place the string into /etc/default/grub, use "grub-mkconfig" to regenerate your GRUB configuration file and reboot.
Please visit the following sites to learn to play and create your own strings:
https://breadmaker.github.io/grub-tune-tester/
https://jdnash.com/2022/10/grub_init_tune-row-row-row-your-boat/
https://pages.mtu.edu/~suits/notefreqs.html
https://github.com/BreadMaker/grub-tune-tester
GRUB_INIT_TUNE="225 0 1 783 1 587 2 494 1 660 3"
GRUB_INIT_TUNE="1500 0 1 415 6 466 6 698 6 0 4 698 6 0 9 622 4 0 2 415 6 466 6 622 6 0 4 622 6 587 6"
GRUB_INIT_TUNE="400 0 1 880 10 587 5 659 5 349 10"
GRUB_INIT_TUNE="430 0 1 392 4 415 4 554 2 523 6 392 2 415 4 523 2 466 7"
GRUB_INIT_TUNE="1200 0 1 698 2 0 2 830 2 880 4 0 2 830 3 0 2 698 2 0 2 830 2 880 4 0 2 830 3"
GRUB_INIT_TUNE="2750 0 1 131 4 0 1 131 4 0 1 131 4 0 1 131 4 0 1 196 4 0 1 196 4 0 1 233 4 0 1 233 4 0 1 131 4 0 1 131 4 0 1 131 4 0 1 131 4 0 1 196 4 0 1 196 4 0 1 233 4 0 1 233 4 0 1"
GRUB_INIT_TUNE="2750 0 1 1397 6 0 12 1244 6 0 12 1175 6 0 12 932 6 0 4 622 6 0 76 880 6 0 4 932 6 0 4 880 6 0 4 932 6 0 4 880 6 0 12 698 6"
GRUB_INIT_TUNE="1600 0 1 87 4 0 2 174 4 0 2 87 4 0 2 174 4 0 2 65 4 0 2 131 4 0 2 65 4 0 2 131 4 0 2 73 4 0 2 147 4 0 2 73 4 0 2 147 4 0 2 73 4 0 2 147 4 0 2 73 4 0 2 147 4"
GRUB_INIT_TUNE="1963 0 1 329 14 523 14 493 85 587 20 293 5 493 80"
GRUB_INIT_TUNE="1999 0 1 880 4 0 12 880 4 0 12 554 4 0 4 554 4 0 4 554 4 0 4 554 4 0 4 554 4 0 20 740 14 831 6 0 2 740 8 0 8 831 28 0 4 554 12"
GRUB_INIT_TUNE="1999 0 1 1397 4 0 1 1318 4 0 4 932 4 0 1 1047 4"