All of the Splatoon 3 Hero Mode music in order.

Songs of Hero Mode || Splatoon 3 OST

I've compiled others playlists from Splatunes 1,2 & 3, Octotune, Smash Bros & MK8 remixes, and the live performances. Excludes the SFX tracks. Will keep this up to date as more music/lives come out.

Splatoon Music

Eight-Legged Advance - j3sting = Stage Themes
Cap'n Cuttlefish's Theme - Deep Cut Theme = Character Themes
Tacozones Rendezvous - Parallel Canon Defeated = :)
Octoweaponry - Defeat (Pinging Marciale) = Boss Themes
I Am Octavio - Spectrum Obligato = Final Boss Themes
Calamari Inkantation - Short Order = Final Bow
Maritime Memory - #47 Onward = Credits
Onward! - Results = Clear Jingle
SPLAT! - Results (Failure) = Defeat Jingle

Splatoon - Singleplayer Master Album

BGM from the splatoon 3 hero mode levels. I'm not uploading any boss themes -- these should be all spoiler free. 

None of these are mine, they're property of Nintendo!! (please spare me nintendo ninjas)

Splatoon 3 - Crater Mission Clear

Splatoon 3 - DJ Octavio.

Crater Eighters Routine

The Crater

Splatoon 1 OST

Tornade Shuffle

Cephaloparade

Tentacular Circus

Eight-Legged Advance

Splatune 3 - Cap’n Cuttlefish’s Theme

Splatune 3 - Massive Fuzzball

Splatune | Splatoon ORIGINAL SOUNDTRACK

Kraken Up

Seaskape

Ink or Sink

Splattack! (Jam Session)

Opening

Splatoon 2 ORIGINAL SOUNDTRACK -Splatune 2-

Octo Eight-Step

Splatune 3 - Massive Fuzzball

Splatune 3 Unoffical Alt