Fix playing music on Chrome

src/music/MusicPlayer.tsx

@@ -67,14 +67,22 @@ class MusicPlayer extends React.Component<MusicPlayerProps, State> {
         }
 
         if (this.props.playing) {
-            source
-                .play()
-                .then(() => {
-                    console.info("Started playing audio");
-                })
-                .catch((error) => {
-                    console.error(`Could not play audio: ${error}`);
-                });
+            // Chrome is super awkward about AudioContext, and won't
+            // even allow creating one without complaining about
+            // wanting user input, so we need to resume the context
+            // before we can actually play.
+            //
+            // Luckily, this has no adverse effects on Firefox.
+            context.resume().then(() => {
+                source
+                    .play()
+                    .then(() => {
+                        console.info("Started playing audio");
+                    })
+                    .catch((error) => {
+                        console.error(`Could not play audio: ${error}`);
+                    });
+            });
         } else {
             source.pause();
         }