Mine:
Main Menu: D.O.A. (DOA2 menu)
Online: Deep Impact (DOA3)
Lobby: What's My Name (DOA2)
Kasumi: Eternity (DOA3)
Hayabusa: The Shooted (DOA2)
Leifang: Grand Style (DOA2)
Jann Lee: Natural High (DOA2)
Zack: Don't care
Christie: Monster (DOA3)
Brad Wong: Cracker (DOA3)
Bass: Power Shovel (DOA3)
Tina: True Beauty (DOA3)
Mila: Don't care
Rig: Machinations (DOA5)
Helena: Blazed Up Melpomene (DOA3)
Kokoro: Moonlight Lady (DOA4)
Gen Fu: Break the Age (DOA2)
Eliot: Successor (DOA4)
Leon: Ultimate Weapon (DOA2)
Bayman: Knifepoint (DOA3)
Ayane: Tehu Tehu (DOA2)
Hitomi: It's to Show (DOA3)
Momiji: Whatever her theme is
Rachel: Whatever her theme is
Lisa: Tribal Beats (DOA4)
Pai: Don't care
Jacky: Don't care
Sarah: Don't care
Ein: Vigaku (DOA2)
Hayate: Reincarnate (DOA3)
Akira: Hunter's Moon (DOA4 Ryu)
Ooh! Ooh! Can I play too? This looks fun!
Main Menu: How Do You Feel (DOA2 Hard*Core)
Online: Wired (DOA2U)
Lobby: (Whatever lounge music I can come up with)
Kasumi: Eternity (DOA3); Rival Battle (Pokemon)
Hayabusa: Various Stage Themes (Ninja Gaiden NES games)
Leifang: Mayflower (DOA3); The Pomf Song (fanmade lolicon song)
Jann Lee: Trip (DOA3); The Last Dragon (Theme); Piccolo's Theme (DBZ); Final Battle (Enter the Dragon)
Zack: B-Boy no B (DOA2); Fight! (MMPR)
Christie: Monster (DOA3)
Brad Wong: Cracker (DOA3)
Bass: Power Shovel (DOA3); Real American (WWF Themes)
Tina: True Beauty (DOA3); World Map Theme (Final Fantasy VI)
Mila: Power is Beauty PS1 Arrange (DOA1)
Rig: Rig's Theme (DOA5)
Helena: Blood Tie (DOA3); Wedding Waltz Duel (Final Fantasy VI)
Kokoro: Moonlit Lady: (DOA4)
Gen Fu: Gen Fu's Theme (DOA1)
Eliot: Quatre's Theme (Gundam Wing OST)
Leon: Either of the two themes
Bayman: Knifepoint (DOA3)
Ayane: Prismatic Butterfly (DOA3); Deserted Chateau (Vampire Savior)
Hitomi: It's to Show (DOA3); You Are Phoenix (Saint Seiya)
Momiji: Outer Sailor Senshi Theme (Sailor Moon S)
Rachel: Forever Rachel (Final Fantasy VI OC Remix Album)
Lisa: Tribal Beats (DOA4)
Pai, Jacky, Akira, and Sarah: Themes from both VF1 and 2; Original or Saturn Arrange
Ein: Vigaku (DOA2)
Hayate: Reincarnate (DOA3); 5-4-1 (MMPR); Heero's Theme (Gundam Wing OST)
Alpha-152: Combat! (MMPR); Lord Zedd's Theme (MMPR)