PS: I wanted to know, if there's the need to add a melody file ... [rocketmouse@archlinux ~]$ brltty-tune --help Usage: brltty-tune [option ...] note... | -f [{file | -}...] -f --files Use files rather than command line arguments. -v loudness --volume= Output volume (percentage). -d device --device= Name of tune device. -i instrument --instrument= Name of MIDI instrument. -h --help Print a usage summary (commonly used options only), and then exit. -H --full-help Print a usage summary (all options), and then exit. ... regarding the MIDI instrument I now have doubts that it does use the PC speaker beep. [rocketmouse@archlinux ~]$ man brltty-tune No manual entry for brltty-tune -- Death of ROXTerm https://sourceforge.net/p/roxterm/discussion/422638/thread/60da6975/