Man pages matching name music123 in section 1:

music123.1.en	debian 10 / music123
music123.1.pl	debian 10 / music123
music123.1.en	debian 11 / music123
music123.1.pl	debian 11 / music123
music123.1.en	debian 12 / music123
music123.1.pl	debian 12 / music123