Due to the large list of songs used/replaced for the description to be healthy, the layout of songs will be found here;

intermission - Map Screen
shop - Hey There Neighbour
intro - Plants vs. Zombies Menu
intro01 - Plants vs. Zombies: Garden Warfare Menu
intro02 - Zen Garden (PvZ1)
minotaur00 - Big Wave Beach, Final Wave

mines00 - Wild West, Final Wave
mines01, 02, 03, 04 - Wild West, First Wave
minetown - Wild West, Demonstration Minigame

swamp00 - Jurassic Marsh, Final Wave
swamp01, 02, 03 - Jurassic Marsh, First Wave
temple - Jurassic Marsh, Demonstration Minigame

labyrinth00 - Ancient Egypt, Final Wave
labyrinth01, 02 - Ancient Egypt, First Wave
minotaur01 - Ancient Egypt, Demonstration Minigame

ruins00 - Dark Ages, Final Wave
ruins01, 02 - Dark Ages, First Wave
library - Dark Ages, Demonstration Minigame
herxboss - Dr. Zomboss Fight - Phase 1
endgame - Modern Day, Final Wave

underworld00 - Pirate Seas, Final Wave
underworld01, 02 - Pirate Seas, First Wave

hell00 - Lost City, Final Wave
hell01, 02 - Lost City, First Wave
devil - Lost City, Ultimate Battle
escape - Modern Day, Final Wave

caves00 - Frostbite Caves, Final Wave
caves01, 02 - Frostbite Caves, First Wave

citadel00 - Far Future, Final Wave
citadel01, 02 - Far Future, First Wave
sanctum - Dr. Zomboss Fight - Phase 3

This mod also makes a single alteration to the sound file;
Death - Jurassic Marsh, THE ZOMBIES ATE YOUR BRAIN!