diff --git a/src/features/song-select/song-data.ts b/src/features/song-select/song-data.ts
index ed52d25..97458a4 100644
--- a/src/features/song-select/song-data.ts
+++ b/src/features/song-select/song-data.ts
@@ -2,75 +2,243 @@ import type { Song } from './types'
 
 export const SONGS: Song[] = [
   {
-    title: 'Neon Runner',
-    artist: 'Pulse Reactor',
-    bpm: 175,
-    difficulty: 4,
-    duration: '3:10',
-    genre: 'Electro',
+    id: 'get-lucky',
+    title: 'Get Lucky',
+    artist: 'Daft Punk',
+    bpm: 116,
+    difficulty: 3,
+    duration: '2:28',
+    genre: 'Disco',
+    color: '#D4A017',
+    chartUrl: '/songs/get-lucky/chart.ssc',
+    audioUrl: '/songs/get-lucky/audio.ogg',
+  },
+  {
+    id: 'axion',
+    title: 'Axion',
+    artist: 'Reso',
+    bpm: 140,
+    difficulty: 3,
+    duration: '2:14',
+    genre: 'Drum & Bass',
     color: '#D94A0A',
+    chartUrl: '/songs/axion/chart.ssc',
+    audioUrl: '/songs/axion/audio.ogg',
   },
   {
-    title: 'Burning Step',
-    artist: 'Luna Flux',
-    bpm: 168,
-    difficulty: 3,
-    duration: '2:54',
-    genre: 'Dance Pop',
+    id: 'blue',
+    title: 'Blue',
+    artist: 'Au5 & Fractal',
+    bpm: 175,
+    difficulty: 5,
+    duration: '2:28',
+    genre: 'Dubstep',
     color: '#2A51C7',
+    chartUrl: '/songs/blue/chart.ssc',
+    audioUrl: '/songs/blue/audio.ogg',
   },
   {
-    title: 'Solar Break',
-    artist: 'System Vibe',
-    bpm: 182,
+    id: 'caelumize',
+    title: 'Caelumize',
+    artist: 'void',
+    bpm: 175,
     difficulty: 5,
-    duration: '3:26',
-    genre: 'Hard Dance',
-    color: '#EF6C14',
+    duration: '1:57',
+    genre: 'Artcore',
+    color: '#9B59B6',
+    chartUrl: '/songs/caelumize/chart.ssc',
+    audioUrl: '/songs/caelumize/audio.ogg',
   },
   {
-    title: 'Arc Flash',
-    artist: 'NOVA//CTRL',
-    bpm: 160,
-    difficulty: 2,
-    duration: '2:41',
-    genre: 'Synthwave',
-    color: '#3C9B5E',
-  },
-  {
-    title: 'Heatline',
-    artist: 'Mira K',
-    bpm: 190,
+    id: 'drift',
+    title: 'Drift',
+    artist: 'Metrik',
+    bpm: 174,
     difficulty: 5,
-    duration: '2:30',
-    genre: 'Techno',
-    color: '#C7313A',
+    duration: '2:20',
+    genre: 'Drum & Bass',
+    color: '#27AE60',
+    chartUrl: '/songs/drift/chart.ssc',
+    audioUrl: '/songs/drift/audio.ogg',
   },
   {
-    title: 'Volt Parade',
-    artist: 'Skyline Unit',
-    bpm: 148,
-    difficulty: 2,
-    duration: '3:03',
-    genre: 'Nu Disco',
-    color: '#0E9A9A',
-  },
-  {
-    title: 'Firecode',
-    artist: 'Cipher Girls',
-    bpm: 172,
+    id: 'fang-banger',
+    title: 'Fang Banger',
+    artist: 'Bro Safari & Space Laces',
+    bpm: 140,
     difficulty: 4,
-    duration: '3:14',
-    genre: 'Club',
-    color: '#A641D2',
+    duration: '2:27',
+    genre: 'Bass',
+    color: '#C0392B',
+    chartUrl: '/songs/fang-banger/chart.ssc',
+    audioUrl: '/songs/fang-banger/audio.ogg',
   },
   {
-    title: 'Street Impact',
-    artist: 'Delta Move',
-    bpm: 156,
+    id: 'future-music',
+    title: 'Future MUSiC',
+    artist: 'Ym1024 feat. lamie*',
+    bpm: 132,
     difficulty: 3,
-    duration: '2:58',
-    genre: 'Breakbeat',
-    color: '#A88516',
+    duration: '2:14',
+    genre: 'J-Core',
+    color: '#1ABC9C',
+    chartUrl: '/songs/future-music/chart.ssc',
+    audioUrl: '/songs/future-music/audio.ogg',
+  },
+  {
+    id: 'g-symphonicore',
+    title: 'G-SYMPHONiCORE',
+    artist: 'Jugem-T',
+    bpm: 212,
+    difficulty: 5,
+    duration: '2:21',
+    genre: 'Speedcore',
+    color: '#E67E22',
+    chartUrl: '/songs/g-symphonicore/chart.ssc',
+    audioUrl: '/songs/g-symphonicore/audio.ogg',
+  },
+  {
+    id: 'heartbeats',
+    title: 'HeartBeats',
+    artist: '獣音ロウ.Revo',
+    bpm: 128,
+    difficulty: 4,
+    duration: '2:49',
+    genre: 'Happy Hardcore',
+    color: '#E84393',
+    chartUrl: '/songs/heartbeats/chart.ssc',
+    audioUrl: '/songs/heartbeats/audio.ogg',
+  },
+  {
+    id: 'jump-ya-body',
+    title: 'Jump Ya Body',
+    artist: 'Kill The Noise feat. Mercedes',
+    bpm: 140,
+    difficulty: 3,
+    duration: '2:10',
+    genre: 'Bass',
+    color: '#8D6E63',
+    chartUrl: '/songs/jump-ya-body/chart.ssc',
+    audioUrl: '/songs/jump-ya-body/audio.ogg',
+  },
+  {
+    id: 'kokeshi-neko-medley',
+    title: 'Kokeshi Neko Medley',
+    artist: 'Ino',
+    bpm: 216,
+    difficulty: 5,
+    duration: '2:43',
+    genre: 'J-Core',
+    color: '#AD1457',
+    chartUrl: '/songs/kokeshi-neko-medley/chart.ssc',
+    audioUrl: '/songs/kokeshi-neko-medley/audio.ogg',
+  },
+  {
+    id: 'lightspeed-remix',
+    title: 'Lightspeed (Remix)',
+    artist: 'Kill The Noise & Datsik',
+    bpm: 108,
+    difficulty: 4,
+    duration: '2:23',
+    genre: 'Dubstep',
+    color: '#5C6BC0',
+    chartUrl: '/songs/lightspeed-remix/chart.ssc',
+    audioUrl: '/songs/lightspeed-remix/audio.ogg',
+  },
+  {
+    id: 'mess',
+    title: 'Mess',
+    artist: 'Anamanaguchi',
+    bpm: 112,
+    difficulty: 4,
+    duration: '2:14',
+    genre: 'Chiptune',
+    color: '#00B894',
+    chartUrl: '/songs/mess/chart.ssc',
+    audioUrl: '/songs/mess/audio.ogg',
+  },
+  {
+    id: 'monkey-business',
+    title: 'Monkey Business',
+    artist: 'kors k',
+    bpm: 160,
+    difficulty: 4,
+    duration: '1:58',
+    genre: 'Happy Hardcore',
+    color: '#F4A300',
+    chartUrl: '/songs/monkey-business/chart.ssc',
+    audioUrl: '/songs/monkey-business/audio.ogg',
+  },
+  {
+    id: 'neurobazaar',
+    title: 'Neurobazaar',
+    artist: 'zircon',
+    bpm: 130,
+    difficulty: 4,
+    duration: '2:16',
+    genre: 'Electronica',
+    color: '#0984E3',
+    chartUrl: '/songs/neurobazaar/chart.ssc',
+    audioUrl: '/songs/neurobazaar/audio.ogg',
+  },
+  {
+    id: 'peacock',
+    title: 'Peacock',
+    artist: '7 Minutes Dead',
+    bpm: 120,
+    difficulty: 4,
+    duration: '2:29',
+    genre: 'Electro',
+    color: '#00ACC1',
+    chartUrl: '/songs/peacock/chart.ssc',
+    audioUrl: '/songs/peacock/audio.ogg',
+  },
+  {
+    id: 'plasticity',
+    title: 'Plasticity',
+    artist: 'Minor Rain',
+    bpm: 168,
+    difficulty: 5,
+    duration: '2:25',
+    genre: 'Artcore',
+    color: '#7B1FA2',
+    chartUrl: '/songs/plasticity/chart.ssc',
+    audioUrl: '/songs/plasticity/audio.ogg',
+  },
+  {
+    id: 'souten',
+    title: 'Souten (Key-Kai mix)',
+    artist: 'Meine Meinung',
+    bpm: 182,
+    difficulty: 4,
+    duration: '2:05',
+    genre: 'Trance',
+    color: '#0277BD',
+    chartUrl: '/songs/souten-sta-s-key-kai-mix/chart.ssc',
+    audioUrl: '/songs/souten-sta-s-key-kai-mix/audio.ogg',
+  },
+  {
+    id: 'the-edge',
+    title: 'The Edge',
+    artist: 'KOAN Sound',
+    bpm: 140,
+    difficulty: 3,
+    duration: '2:28',
+    genre: 'Electro',
+    color: '#607D8B',
+    chartUrl: '/songs/the-edge/chart.ssc',
+    audioUrl: '/songs/the-edge/audio.ogg',
+  },
+  {
+    id: 'trap',
+    title: 'Trap',
+    artist: 'Bluescreens',
+    bpm: 174,
+    difficulty: 4,
+    duration: '2:01',
+    genre: 'Drum & Bass',
+    color: '#D32F2F',
+    chartUrl: '/songs/trap/chart.ssc',
+    audioUrl: '/songs/trap/audio.ogg',
   },
 ]
diff --git a/src/features/song-select/types.ts b/src/features/song-select/types.ts
index be42f26..8f97a97 100644
--- a/src/features/song-select/types.ts
+++ b/src/features/song-select/types.ts
@@ -1,4 +1,5 @@
 export type Song = {
+  id: string
   title: string
   artist: string
   bpm: number
@@ -6,4 +7,6 @@ export type Song = {
   duration: string
   genre: string
   color: string
+  chartUrl: string
+  audioUrl: string
 }
diff --git a/src/game/songIndex.ts b/src/game/songIndex.ts
index 7bc6173..e47dab0 100644
--- a/src/game/songIndex.ts
+++ b/src/game/songIndex.ts
@@ -1,29 +1,2 @@
-export interface SongEntry {
-  id: string
-  title: string
-  chartUrl: string
-  audioUrl: string
-}
-
-export const SONGS: SongEntry[] = [
-  { id: 'axion', title: 'Axion', chartUrl: '/songs/axion/chart.ssc', audioUrl: '/songs/axion/audio.ogg' },
-  { id: 'blue', title: 'Blue', chartUrl: '/songs/blue/chart.ssc', audioUrl: '/songs/blue/audio.ogg' },
-  { id: 'caelumize', title: 'Caelumize', chartUrl: '/songs/caelumize/chart.ssc', audioUrl: '/songs/caelumize/audio.ogg' },
-  { id: 'drift', title: 'Drift', chartUrl: '/songs/drift/chart.ssc', audioUrl: '/songs/drift/audio.ogg' },
-  { id: 'fang-banger', title: 'Fang Banger', chartUrl: '/songs/fang-banger/chart.ssc', audioUrl: '/songs/fang-banger/audio.ogg' },
-  { id: 'future-music', title: 'Future MUSiC', chartUrl: '/songs/future-music/chart.ssc', audioUrl: '/songs/future-music/audio.ogg' },
-  { id: 'get-lucky', title: 'Get Lucky', chartUrl: '/songs/get-lucky/chart.ssc', audioUrl: '/songs/get-lucky/audio.ogg' },
-  { id: 'g-symphonicore', title: 'G-SYMPHONiCORE', chartUrl: '/songs/g-symphonicore/chart.ssc', audioUrl: '/songs/g-symphonicore/audio.ogg' },
-  { id: 'heartbeats', title: 'HeartBeats', chartUrl: '/songs/heartbeats/chart.ssc', audioUrl: '/songs/heartbeats/audio.ogg' },
-  { id: 'jump-ya-body', title: 'Jump Ya Body', chartUrl: '/songs/jump-ya-body/chart.ssc', audioUrl: '/songs/jump-ya-body/audio.ogg' },
-  { id: 'kokeshi-neko-medley', title: 'Kokeshi Neko Medley', chartUrl: '/songs/kokeshi-neko-medley/chart.ssc', audioUrl: '/songs/kokeshi-neko-medley/audio.ogg' },
-  { id: 'lightspeed-remix', title: 'Lightspeed (Remix)', chartUrl: '/songs/lightspeed-remix/chart.ssc', audioUrl: '/songs/lightspeed-remix/audio.ogg' },
-  { id: 'mess', title: 'Mess', chartUrl: '/songs/mess/chart.ssc', audioUrl: '/songs/mess/audio.ogg' },
-  { id: 'monkey-business', title: 'Monkey Business', chartUrl: '/songs/monkey-business/chart.ssc', audioUrl: '/songs/monkey-business/audio.ogg' },
-  { id: 'neurobazaar', title: 'Neurobazaar', chartUrl: '/songs/neurobazaar/chart.ssc', audioUrl: '/songs/neurobazaar/audio.ogg' },
-  { id: 'peacock', title: 'Peacock', chartUrl: '/songs/peacock/chart.ssc', audioUrl: '/songs/peacock/audio.ogg' },
-  { id: 'plasticity', title: 'Plasticity', chartUrl: '/songs/plasticity/chart.ssc', audioUrl: '/songs/plasticity/audio.ogg' },
-  { id: 'souten', title: 'Souten (Key-Kai mix)', chartUrl: '/songs/souten-sta-s-key-kai-mix/chart.ssc', audioUrl: '/songs/souten-sta-s-key-kai-mix/audio.ogg' },
-  { id: 'the-edge', title: 'The Edge', chartUrl: '/songs/the-edge/chart.ssc', audioUrl: '/songs/the-edge/audio.ogg' },
-  { id: 'trap', title: 'Trap', chartUrl: '/songs/trap/chart.ssc', audioUrl: '/songs/trap/audio.ogg' },
-]
+export { SONGS } from '../features/song-select/song-data'
+export type { Song } from '../features/song-select/types'