Pikmin 2's massive OST

[Kitsune Hawk]

So here's a big find regarding Pikmin 2's soundtrack that I'm really surprised hasn't been added to this site yet.
As it turns out, Pikmin 2's soundtrack is a lot larger than you may have initially thought. This is because the game's primary music tracks have multiple variations, and it switches between them based on the current circumstances.

Here are the patterns I've observed. (And different tracks, for comparison)
(Note that Olimar's versions of each song are the "normal" versions, as you'll see below)

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Player is currently controlling Olimar: standard beat
http://downloads.khinsider.com/game-soun...limar-.mp3

http://downloads.khinsider.com/game-soun...limar-.mp3

Player is currently controlling Louie/The President: syncopated beat
http://downloads.khinsider.com/game-soun...hacho-.mp3
http://downloads.khinsider.com/game-soun...louie-.mp3

---

Pikmin are not carrying an object: normal instrumentation
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

Pikmin are carrying an object: extra instrumentation added, type A
http://downloads.khinsider.com/game-soun...rying-.mp3
http://downloads.khinsider.com/game-soun...rying-.mp3

---

No enemies nearby: normal instrumentation
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

Near an enemy: extra instrumentation added, type B
http://downloads.khinsider.com/game-soun...enemy-.mp3
http://downloads.khinsider.com/game-soun...enemy-.mp3

---

All Pikmin are following the player: normal instrumentation
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

Pikmin are battling an enemy: extra instrumentation added, type C
http://downloads.khinsider.com/game-soun...attle-.mp3
http://downloads.khinsider.com/game-soun...attle-.mp3

---

Pikmin are not working: normal instrumentation
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

Pikmin are working (for example, on a barricade) : extra instrumentation added, type D
http://downloads.khinsider.com/game-soun...rking-.mp3
http://downloads.khinsider.com/game-soun...rking-.mp3

---

A Burgeoning Spiderwort is not nearby:
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

A Burgeoning Spiderwort is nearby: extra instrumentation added, type E
http://downloads.khinsider.com/game-soun...lower-.mp3
http://downloads.khinsider.com/game-soun...lower-.mp3

---

Before sunset: normal instrumentation and volume
http://downloads.khinsider.com/game-soun...limar-.mp3
http://downloads.khinsider.com/game-soun...limar-.mp3

At/past sunset: less instrumentation, softer volume
http://downloads.khinsider.com/game-soun...ndown-.mp3
http://downloads.khinsider.com/game-soun...ndown-.mp3

---

Some extra variations also exist for more than one condition being met at once, for example, if Louie was having Pikmin carrying an item while at sunset, it would sound like this:
http://downloads.khinsider.com/game-soun...rying-.mp3

This all into account, the track listing for Pikmin 2 runs at least at 400 songs.
That's pretty big for a single Gamecube disc.