Dragon Quest IV: Chapters of the Chosen Cheats

Change the world map music
To change the world map music, all eight characters must first join the hero's group in Chapter 5 (after defeating the Marquis de Léon). Change the music by changing the first member of the party after doing so.

Chapter 1 world map music: Have Ragnar in the front of the party
Chapter 2 world map music: Have Alena, Kiryl, or Borya in the front of the party
Chapter 3 world map music: Have Torneko in the front of the party
Chapter 4 battle music in Chapter 5 and 6: Have both Meena and Maya in the front of the party
Chapter 4 world map music: Have Meena or Maya in the front of the party
Chapter 5 (after defeating the Marquis de Léon) world map music: Have the hero in the front of the party, with at least one other party member present
Chapter 5 (prior to defeating the Marquis de Léon) world map music: Have only the hero in the party
Psaro's theme: Have Psaro in the front of the party (in Chapter 6)