rename m01.mp3 "M01 - WarioWare, Inc - WarioWare, Inc Mega Microgame$.mp3"
rename m02.mp3 "M02 - WarioWare, Inc Medley - WarioWare, Inc Mega Microgame$.mp3"
rename m03.mp3 "M03 - Mona Pizza's Song (JP) - Mawaru Meido in Wario.mp3"
rename m04.mp3 "M04 - Mona Pizza's Song - WarioWare Twisted!.mp3"
rename m05.mp3 "M05 - Mike's Song (JP) - Sawaru Meido in Wario.mp3"
rename m06.mp3 "M06 - Mike's Song - WarioWare Touched!.mp3"
rename m07.mp3 "M07 - Ashley's Song (JP) - Sawaru Meido in Wario.mp3"
rename m08.mp3 "M08 - Ashley's Song - WarioWare Touched!.mp3"
rename m09.mp3 "M09 - Misc MicroGame$ Song A - WarioWare, Inc. Mega Microgame$.mp3"
rename m10.mp3 "M10 - Misc MicroGame$ Song B - WarioWare, Inc. Mega Microgame$.mp3"
rename m11.mp3 "M11 - Misc MicroGame$ Song C - WarioWare, Inc. Mega Microgame$.mp3"
rename m12.mp3 "M12 - Misc MicroGame$ Song D - WarioWare, Inc. Mega Microgame$.mp3"
rename m13.mp3 "M13 - Misc MicroGame$ Song E - WarioWare, Inc. Mega Microgame$.mp3"
rename m15.mp3 "M15 - Misc MicroGame$ Song F - WarioWare, Inc. Mega Microgame$.mp3"
rename m16.mp3 "M16 - Misc MicroGame$ Song G - WarioWare, Inc. Mega Microgame$.mp3"
rename m17.mp3 "M17 - Misc MicroGame$ Song H - WarioWare, Inc. Mega Microgame$.mp3"
rename m18.mp3 "M18 - Misc MicroGame$ Song I - WarioWare, Inc. Mega Microgame$.mp3"
rename n01.mp3 "N01 - Title Theme - Animal Crossing Wild World.mp3"
rename n02.mp3 "N02 - Go KK Rider! - Animal Crossing.mp3"
rename n03.mp3 "N03 - (Unknown KK remix).mp3"
rename n05.mp3 "N05 - The Roost - Animal Crossing Wild World.mp3"
rename n06.mp3 "N06 - Town Hall - Tom Nook's Store - Animal Crossing Wild World.mp3"
rename n07.mp3 "N07 - KK Cruisin' [Original] - Animal Crossing.mp3"
rename n08.mp3 "N08 - KK Western [Original] - Animal Crossing.mp3"
rename n09.mp3 "N09 - KK Gumbo [Original] - Animal Crossing.mp3"
rename n10.mp3 "N10 - Rockin' KK [Original] - Animal Crossing.mp3"
rename n11.mp3 "N11 - DJ KK [Original] - Animal Crossing.mp3"
rename n12.mp3 "N12 - KK Condor [Original] - Animal Crossing.mp3"
rename p01.mp3 "P01 - Underworld - Kid Icarus.mp3"
rename p02.mp3 "P02 - Title - Kid Icarus.mp3"
rename p03.mp3 "P03 - Skyworld - Kid Icarus.mp3"
rename p04.mp3 "P04 - Kid Icarus Medley - Kid Icarus.mp3"
rename q01.mp3 "Q01 - NES Medley.mp3"
rename q02.mp3 "Q02 - Stack-Up - Robot Block Medley.mp3"
rename q04.mp3 "Q04 - Chill - Dr Mario.mp3"
rename q05.mp3 "Q05 - (Song Name Unknown) - Clu Clu Land.mp3"
rename q06.mp3 "Q06 - Balloon Trip - Balloon Fight.mp3"
rename q07.mp3 "Q07 - (Song Name Unknown) - Ice Climber.mp3"
rename q08.mp3 "Q08 - (Song Name Unknown) - Shin Onigashima.mp3"
rename q09.mp3 "Q09 - 3D Hot Rally - Famicom Grand Prix 2.mp3"
rename q10.mp3 "Q10 - Type A - Tetris.mp3"
rename q11.mp3 "Q11 - Type B - Tetris.mp3"
rename q12.mp3 "Q12 - Tunnel Scene - X.mp3"
rename q13.mp3 "Q13 - Stage 2 - Wrecking Crew.mp3"
rename q14.mp3 "Q14 - (Song Name Unknown) - Nazo no Murasamejou.mp3"
rename r02.mp3 "R02 - PictoChat.mp3"
rename r03.mp3 "R03 - Electroplankton Ambience - Electroplankton.mp3"
rename r04.mp3 "R04 - Game & Watch Remix.mp3"
rename r05.mp3 "R05 - Mario Tennis - Golf.mp3"
rename r06.mp3 "R06 - Lip's Theme - Panel de Pon.mp3"
rename r07.mp3 "R07 - Marionation Gear - Chousouju Mecha MG.mp3"
rename r08.mp3 "R08 - Title - Big Brain Academy.mp3"
rename r09.mp3 "R09 - Golden Forest - 1080 Snowboarding.mp3"
rename r10.mp3 "R10 - Mii Channel (!).mp3"
rename r11.mp3 "R11 - Wii Shop Channel.mp3"
rename r12.mp3 "R12 - Battle Theme Medley - Golden Sun.mp3"
rename r13.mp3 "R13 - Shaberu! DS Cooking Navi.mp3"
rename r14.mp3 "R14 - Excitetruck.mp3"
rename r15.mp3 "R15 - Brain Age Train Your Brain in Minutes a Day.mp3"
rename r16.mp3 "R16 - Opening Theme - Wii Sports.mp3"
rename r17.mp3 "R17 - Cow Racing - Wii Play.mp3"
rename s02.mp3 "S02 - Encounter - Metal Gear Solid.mp3"
rename s03.mp3 "S03 - Theme of Tara - Metal Gear.mp3"
rename s04.mp3 "S04 - Yell Dead Cell - Metal Gear Solid Sons of Liberty.mp3"
rename s05.mp3 "S05 - Snake Eater (Instrumental) - Metal Gear Solid 3 Snake Eater.mp3"
rename s06.mp3 "S06 - MGS4 Theme of Love Smash Bros Brawl Version - Metal Gear Solid 4 Guns of the Patriots.mp3"
rename s07.mp3 "S07 - Cavern - Metal Gear Solid.mp3"
rename s08.mp3 "S08 - Battle in the Base - Metal Gear Solid 3 Snake Eater.mp3"
rename s10.mp3 "S10 - Metal Gear 2's opening theme - Metal Gear 2 Solid Snake.mp3"
rename s11.mp3 "S11 - Calling to the Night - Metal Gear Solid Portable Ops.mp3"
rename t01.mp3 "T01 - Credits - Super Smash Bros.mp3"
rename t02.mp3 "T02 - Menu - Super Smash Bros Melee.mp3"
rename t03.mp3 "T03 - Opening - Super Smash Bros Melee.mp3"
rename t05.mp3 "T05 - Master Hand Battle - Super Smash Bros Brawl.mp3"
rename u01.mp3 "U01 - Green Hill Zone 1 - Sonic the Hedgehog.mp3"
rename u02.mp3 "U02 - Scrap Brain Zone - Sonic the Hedgehog.mp3"
rename u03.mp3 "U03 - Emerald Hill Zone 1 - Sonic the Hedgehog 2.mp3"
rename u04.mp3 "U04 - Angel Island Zone 1 - Sonic The Hedgehog 3.mp3"
rename u06.mp3 "U06 - Sonic Boom - Sonic CD US Version.mp3"
rename u07.mp3 "U07 - Super Sonic Racing - Sonic R.mp3"
rename u08.mp3 "U08 - Open Your Heart - Sonic Adventure.mp3"
rename u09.mp3 "U09 - Live and Learn - Sonic Adventure 2.mp3"
rename u10.mp3 "U10 - Sonic Heroes - Sonic Heroes.mp3"
rename u11.mp3 "U11 - Right There, Ride On - Sonic Rush.mp3"
rename u12.mp3 "U12 - His World - Next Gen Sonic the Hedgehog.mp3"
rename u13.mp3 "U13 - 7 Rings in Hand - Sonic and the Secret Rings.mp3"
rename w01.mp3 "W01 - Princess Peach's Castle - Super Smash Brothers Melee.mp3"
rename w02.mp3 "W02 - Rainbow Cruise - Super Smash Brothers Melee.mp3"
rename w03.mp3 "W03 - Jungle Japes - Super Smash Brothers Melee.mp3"
rename w04.mp3 "W04 - Brinstar Depths - Super Smash Brothers Melee.mp3"
rename w05.mp3 "W05 - Yoshi's Island - Super Smash Brothers Melee.mp3"
rename w06.mp3 "W06 - Fountain of Dreams - Super Smash Brothers Melee.mp3"
rename w07.mp3 "W07 - Green Greens - Super Smash Brothers Melee.mp3"
rename w08.mp3 "W08 - Corneria - Super Smash Brothers Melee.mp3"
rename w09.mp3 "W09 - Pokémon Stadium - Super Smash Brothers Melee.mp3"
rename w10.mp3 "W10 - Poké Floats - Super Smash Brothers Melee.mp3"
rename w11.mp3 "W11 - Big Blue - Super Smash Brothers Melee.mp3"
rename w12.mp3 "W12 - Mother - Super Smash Brothers Melee.mp3"
rename w13.mp3 "W13 - Icicle Mountain - Super Smash Brothers Melee.mp3"
rename w14.mp3 "W14 - Flat Zone - Super Smash Brothers Melee.mp3"
rename w15.mp3 "W15 - Super Mario Bros 3 - Super Smash Brothers Melee.mp3"
rename w16.mp3 "W16 - Battle Theme from Pokémon Gold - Super Smash Brothers Melee.mp3"
rename w17.mp3 "W17 - Fire Emblem - Super Smash Brothers Melee.mp3"
rename w18.mp3 "W18 - Mach Rider - Super Smash Brothers Melee.mp3"
rename w19.mp3 "W19 - Mother 2 - Super Smash Brothers Melee.mp3"
rename w20.mp3 "W20 - Dr Mario - Super Smash Brothers Melee.mp3"
rename w21.mp3 "W21 - Battlefield - Super Smash Brothers Melee.mp3"
rename w23.mp3 "W23 - Multi-Man Melee - Super Smash Brothers Melee.mp3"
rename w24.mp3 "W24 - Temple - Super Smash Brothers Melee.mp3"
rename w25.mp3 "W25 - Final Destination - Super Smash Brothers Melee.mp3"
rename w26.mp3 "W26 - Kongo Jungle - Super Smash Brothers Melee.mp3"
rename w27.mp3 "W27 - Brinstar - Super Smash Brothers Melee.mp3"
rename w28.mp3 "W28 - Venom - Super Smash Brothers Melee.mp3"
rename w29.mp3 "W29 - Mute City - Super Smash Brothers Melee.mp3"
rename w30.mp3 "W30 - Menu 1 - Super Smash Brothers Melee.mp3"
rename w31.mp3 "W31 - Giga Bowser Battle - Super Smash Brothers Melee.mp3"
rename x01.mp3 "X01 - Super Smash Bros Brawl Main Theme.mp3"
rename x02.mp3 "X02 - Menu 1.mp3"
rename x03.mp3 "X03 - Menu 2 - Super Smash Bros Melee.mp3"
rename x04.mp3 "X04 - (Unknown).mp3"
rename x05.mp3 "X05 - Final Destination 2.mp3"
rename x06.mp3 "X06 - (Unknown).mp3"
rename x07.mp3 "X07 - WiFi Waiting Room.mp3"
rename x08.mp3 "X08 - (Unknown).mp3"
rename x09.mp3 "X09 - (Unknown).mp3"
rename x10.mp3 "X10 - Tournament Theme 1 - Super Smash Bros Melee.mp3"
rename x11.mp3 "X11 - (Unknown).mp3"
rename x13.mp3 "X13 - (Unknown).mp3"
rename x15.mp3 "X15 - (Unknown).mp3"
rename x16.mp3 "X16 - Homerun Contest.mp3"
rename x17.mp3 "X17 - (Unknown).mp3"
rename x18.mp3 "X18 - (Unknown).mp3"
rename x19.mp3 "X19 - Trophy Mode.mp3"
rename x20.mp3 "X20 - (Unknown).mp3"
rename x21.mp3 "X21 - (Unknown).mp3"
rename x22.mp3 "X22 - (Unknown).mp3"
rename x23.mp3 "X23 - (Unknown).mp3"
rename x24.mp3 "X24 - (No sound).mp3"
rename x25.mp3 "X25 - Battlefield Ver 2.mp3"
rename x26.mp3 "X26 - Target Smash.mp3"
rename x27.mp3 "X27 - Credits.mp3"
rename y01.mp3 "Y01 - (Unknown).mp3"
rename y02.mp3 "Y02 - (Unknown).mp3"
rename y03.mp3 "Y03 - (Unknown).mp3"
rename y04.mp3 "Y04 - (Unknown).mp3"
rename y05.mp3 "Y05 - (Unknown).mp3"
rename y07.mp3 "Y07 - Subspace Emissary vs Final Boss.mp3"
rename y08.mp3 "Y08 - (Unknown).mp3"
rename y09.mp3 "Y09 - DK Island Swing - Donkey Kong Country.mp3"
rename y10.mp3 "Y10 - (Unknown).mp3"
rename y11.mp3 "Y11 - Data Selection Screen - Metroid Prime.mp3"
rename y13.mp3 "Y13 - (Unknown).mp3"
rename y14.mp3 "Y14 - (Unknown).mp3"
rename y15.mp3 "Y15 - (Unknown).mp3"
rename y16.mp3 "Y16 - (Unknown).mp3"
rename y17.mp3 "Y17 - (Unknown).mp3"
rename z01.mp3 "Z01 - Victory! (Super Mario Bros).mp3"
rename z02.mp3 "Z02 - Victory! (Donkey Kong).mp3"
rename z03.mp3 "Z03 - Victory! (The Legend of Zelda).mp3"
rename z04.mp3 "Z04 - Victory! (Metroid).mp3"
rename z05.mp3 "Z05 - Victory! (Yoshi).mp3"
rename z06.mp3 "Z06 - Victory! (Kirby).mp3"
rename z07.mp3 "Z07 - Victory! (Star Fox).mp3"
rename z08.mp3 "Z08 - Victory! (Pokemon).mp3"
rename z10.mp3 "Z10 - Victory! (F-Zero).mp3"
rename z11.mp3 "Z11 - Victory! (Mother).mp3"
rename z16.mp3 "Z16 - Victory! (Ice Climber).mp3"
rename z17.mp3 "Z17 - Victory! (Fire Emblem).mp3"
rename z18.mp3 "Z18 - Victory! (Game & Watch).mp3"
rename z21.mp3 "Z21 - Victory! (Wario).mp3"
rename z22.mp3 "Z22 - Victory! (Meta Knight).mp3"
rename z23.mp3 "Z23 - Victory! (Pit).mp3"
rename z25.mp3 "Z25 - Victory! (Pikmin).mp3"
rename z35.mp3 "Z35 - Victory! (ROB).mp3"
rename z46.mp3 "Z46 - Victory! (Metal Gear Solid).mp3"
rename z47.mp3 "Z47 - Victory! (Sonic the Hedgehog).mp3"
rename z50.mp3 "Z50 - Continue?.mp3"
rename z51.mp3 "Z51 - Game Over.mp3"
rename z54.mp3 "Z54 - New Feature Unlocked! A.mp3"
rename z55.mp3 "Z55 - New Feature Unlocked! B.mp3"
rename z56.mp3 "Z56 - New Feature Unlocked! C.mp3"
rename z57.mp3 "Z57 - New Feature Unlocked! D.mp3"
rename z58.mp3 "Z58 - New Feature Unlocked! E.mp3"
And done. Enjoy!