Bands (J-P)

K:
 * KEYS (Kraków, hard & heavy)
 * KODEX (Mysłowice, hard rock)

L:
 * LIVIN FIRE (Kraków, hard & heavy)

M: 
 * MENESS (Kraków, hard & heavy)
 * MODOR (Gdańsk, heavy metal)
 * MONUMENTUM (Gdańsk, death/doom/heavy metal)
 * MORSUN DIABOLI (Mysłowice, black metal)
 * MORTHUS (Góra Kalwaria/Warka, black/death metal)

P:
 * PIORUN (Chełm, Gdańsk, neofolk/ambient)
 * POLITICAL VERMIN (Bielsko-Biała, grind core)
 * PORTA INFERNA (Kraków, ambient)