Post game music that brings you memories. Here's my top 10, might add more later, but here's some that I can think of from the top of mind. All of them bring back memories for me, and it's in no order. 
Sonic Adventure DX Music: Station Square
Sonic Shuffle Music - ''Blizzard Of Coast''
Mario Party 3 - Deep Bloober Sea
Mario Kart Double Dash Music - Menu
Bust a Groove 2: Happy Heart in the Sunshine
Bust a Groove - The Natural Playboy
Mario Kart 64: Rainbow Road
Mario Kart 64: Kalimari Desert
Mario Party 5 Soundtrack: Ready... Ok
Brave Fencer Musashi - Twin Mountains
Mario Party 4 Soundtrack: Toads Midway Madness
Wario Land 4 - Title
Wario Land 4 - Toy Block Tower
Mario Kart Super Circuit - SNES Rainbow Road
Kirby and the Amazing Mirror Music: Forest / Nature Area
Sonic Adventure 2 "City Escape" Music request
Super Smash Bros. Melee All-Star Rest Area Music
Sonic Adventure DX Music: Station Square
Sonic Shuffle Music - ''Blizzard Of Coast''
Mario Party 3 - Deep Bloober Sea
Mario Kart Double Dash Music - Menu
Bust a Groove 2: Happy Heart in the Sunshine
Bust a Groove - The Natural Playboy
Mario Kart 64: Rainbow Road
Mario Kart 64: Kalimari Desert
Mario Party 5 Soundtrack: Ready... Ok
Brave Fencer Musashi - Twin Mountains
Mario Party 4 Soundtrack: Toads Midway Madness
Wario Land 4 - Title
Wario Land 4 - Toy Block Tower
Mario Kart Super Circuit - SNES Rainbow Road
Kirby and the Amazing Mirror Music: Forest / Nature Area
Sonic Adventure 2 "City Escape" Music request
Super Smash Bros. Melee All-Star Rest Area Music