diff --git a/src/lib/parsers.ts b/src/lib/parsers.ts
index ea5fd6d..b6a3fc6 100644
--- a/src/lib/parsers.ts
+++ b/src/lib/parsers.ts
@@ -2,6 +2,7 @@ import JSZip from 'jszip';
 import {
   Group,
   GroupFaderParam,
+  GroupPattern,
   Note,
   Pad,
   PadCode,
@@ -12,7 +13,9 @@ import {
   Scene,
   SceneGroupPatternData,
   ScenesSettings,
+  SongPosition,
   Sound,
+  TimeSignature,
 } from '../types/types';
 import { GROUPS, NOTE_NAMES, PADS, SKU_EP40 } from './constants';
 import { parseWavMetadata } from './exporters/utils';
@@ -21,21 +24,12 @@ import { TESoundMetadata } from './midi/types';
 import { TarFile } from './untar';
 import { calculateSoundLength } from './utils';
 
-type SceneMeta = {
-  a: number;
-  b: number;
-  c: number;
-  d: number;
+type SceneRecord = {
+  number: number;
+  patternNumbers: Record<Group, number>;
+  timeSignature: TimeSignature;
 };
 
-type IntermediateScenes = Record<
-  number,
-  {
-    name: string;
-    groups: Record<string, ParsedPatternData>;
-  }
->;
-
 export type ParsedPatternData = {
   bars: number;
   recordCount: number;
@@ -60,6 +54,8 @@ const defaultScenesSettings = {
   timeSignature: { numerator: 4, denominator: 4 },
 };
 
+const projectGroups: Group[] = ['a', 'b', 'c', 'd'];
+
 export function noteNumberToName(noteNumber: number): string {
   const noteIndex = noteNumber % 12;
   const octave = Math.floor(noteNumber / 12) - 1;