From b91a90e98027f8c94b64d043bd49cf39257eb9d2 Mon Sep 17 00:00:00 2001
From: Neale Pickett <neale@woozle.org>
Date: Sat, 16 Mar 2019 10:47:59 -0600
Subject: [PATCH] Document why first play is rejected

---
 playlist.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/playlist.js b/playlist.js
index 4c2eb0b..c297b33 100644
--- a/playlist.js
+++ b/playlist.js
@@ -137,6 +137,9 @@ function midiMessage(e) {
         break
       case 41: // play button
         if (val == 127) {
+          // The first time, the browser will reject this,
+          // because it doesn't consider MIDI input user interaction,
+          // so it looks like an autoplaying video.
           audio.play()
         }
         break