Pull up IChartDetail.

Assets/Cryville/Crtr/Browsing/Legacy/LegacyChartDetail.cs

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+using Cryville.Common;
+using Cryville.Crtr.Extension;
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Cryville.Crtr.Browsing.Legacy {
+	public class LegacyChartDetail : IChartDetail, IResourceMeta {
+		public AsyncDelivery<Texture2D> Cover { get; set; }
+		public ChartMeta Meta { get; set; }
+
+		public string RulesetId { get { return Meta.ruleset; } }
+		public string Name { get { return Meta.name; } }
+		public string SongName { get { return Meta.song.name; } }
+		public TimeSpan Length { get { return TimeSpan.FromSeconds(Meta.length); } }
+
+		public IEnumerable<MetaProperty> Properties {
+			get {
+				if (Meta == null) yield break;
+				yield return new MetaProperty("Name", new Dictionary<string, object> {
+					{ "", string.Format("{0} - {1}", SongName, Name) },
+					{ "short", Name },
+					{ "distinct-primary", SongName },
+					{ "distinct-secondary", Name },
+				});
+				yield return new MetaProperty("Image", Cover);
+				yield return new MetaProperty("Song.Author", Meta.song.author);
+				yield return new MetaProperty("Author", Meta.author);
+				yield return new MetaProperty("Length", Length);
+				yield return new MetaProperty("NoteCount", Meta.note_count);
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Browsing/Legacy/LegacyChartDetail.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5f9870328bccefa4d8d4f6d5e3cef591
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/Legacy/LegacyResourceManager.cs.meta

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+fileFormatVersion: 2
+guid: aac40491bc6619e47a5b81e6d9f1a5d3
+timeCreated: 1637975898
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: