Below are a list of musical tracks that can be unlocked in the game. On the left, you will find the name of the song in question, while to the right of each title, the method in which songs are unlocked is listed.

Additions by OrchidPrime.

• 3D Hot Rally Title - Complete Target Level 5
• Ai no Uta - Get a combined distance of 37,500 in Home Run Contest
• Clu Clu Land - Hit a home run of at least 1,200 feet during a Home Run Contest
• Dream Chaser - Play ten VS. matches on Port Town
• Excite Truck - Complete Target Level 2 in under nineteen seconds
• Fire Field - Complete Event Match #24
• Frozen Hillside - Play ten VS. matches on Halberd
• Great Temple - Complete Event Match #33 on difficult difficulty
• HIS WORLD - Play ten VS. matches on Green Hill Zone
• Icicle Mountain - Complete Classic Mode on normal difficulty
• Ike's Theme - Find Ike in the Subspace Emissary
• King Dedede's Theme - Complete Event Match #15
• Legendary Air Rider Machine - Complete Event Match #13
• Mach Rider - Defeat fifty enemies in Endless Multi-Man Brawl
• Menu 2 - Unlock all thirty-five characters
• Metroid Ending - Play ten VS. matches on Norfair
• Metroid Prime 2 - Play ten VS. matches on Frigate Orpheon
• Mountain Forest - Complete Event Match #18 on difficult
• Multi Man Melee - Beat a 100-person brawl in four minutes
• O² - Gather at least 5,000 Coins during Coin Matches
• Pokémon Center - Acquire 200 different stickers
• Power-Hungry Fool - Play ten VS. matches on Castle Siege
• Princess' Castle - Unlock all stages from SSB Melee
• Road to Viridian City - Complete Event Match #8
• Snake Eater - Play fifteen VS. matches on Shadow Moses Island
• Song of Storms - Complete Event Match #37
• Staff Credits - Complete Classic Mode on hard difficulty
• Star Fox Assault Theme - Complete Event Match #38 on hard difficulty
• Star Wolf - Complete Event Match #38
• Super Mario 64 Theme - Play VS. mode for fifty hours
• Super Mario Underwater - Play ten VS. matches on Mario Bros.
• Tal Tal Heights - Complete All-Star Mode on easy difficulty