Hiphop and rap inspired GRUB_INIT_TUNE strings. Wu-Tang. Code rules everything around us.
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="2600 0 1 740 5 0 1 831 5 0 1 880 12 0 1 988 12 0 1 1108 12 0 1 1480 12 0 1 1318 12 0 1 1245 12 0 1 1109 12 0 1 988 12 0 1 880 19 0 1 830 6 0 1 740 12 0 1 740 12 0 1 740 12"
GRUB_INIT_TUNE="1995 0 1 830 8 0 4 622 8 0 4 550 8 0 4 830 8 0 4 880 8 0 4 660 8 0 4 550 8 0 4 660 8"
GRUB_INIT_TUNE="1995 0 1 1175 12 0 8 1046 12 0 10 932 6 1047 4 932 6 0 4 784 8 0 32 587 8 0 2 784 6"
GRUB_INIT_TUNE="1700 0 1 830 3 659 8 554 10 659 4 830 20 0 40 659 14"
GRUB_INIT_TUNE="777 0 1 831 2 740 2 831 18 554 8 740 2 659 2 740 12 0 8 554 4 622 4 659 4 622 4 554 8 494 8 622 8 554 18"