<prompt> Translate the following text to EnglishKatika kundi la A1 PSP, pamoja na mwalimu wa chumba cha nyumbani, iliamuliwa kwamba kila somo litaanza na humming ya mandhari ya soundtrack kutoka toleo jipya la mchezo wa Soldiers of Call of Duty: Blitzkrieg Return to Castle Wolfenstein.  <response>: In the group A1PSP, together with the home-room teacher it was decided that each lesson will begin with a humming of the soundtrack theme from the newest version of the Soldiers of Call of Duty in the Blitzkrieg Return to Castle Wolfenstein game. 