diff --git a/yarn.lock b/yarn.lock
index 10aaf01..a891775 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1128,12 +1128,6 @@ abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
-abcjs@5.1.2:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/abcjs/-/abcjs-5.1.2.tgz#113c9e66a8911a0bf7c47c0517a4832b25c6f2e0"
-  dependencies:
-    midi "https://github.com/paulrosen/MIDI.js.git#abcjs"
-
 accepts@^1.3.5, accepts@~1.3.4, accepts@~1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
@@ -2581,8 +2575,8 @@ chokidar@^2.0.2, chokidar@^2.1.5:
     fsevents "^1.2.7"
 
 chownr@^1.0.1, chownr@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
 
 chrome-trace-event@^1.0.0:
   version "1.0.0"
@@ -4935,10 +4929,10 @@ fs-extra@^7.0.0, fs-extra@^7.0.1:
     universalify "^0.1.0"
 
 fs-minipass@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.6.0"
 
 fs-write-stream-atomic@^1.0.8:
   version "1.0.10"
@@ -7361,10 +7355,6 @@ micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-"midi@https://github.com/paulrosen/MIDI.js.git#abcjs":
-  version "0.4.2"
-  resolved "https://github.com/paulrosen/MIDI.js.git#e593ffef81a0350f99448e3ab8111957145ff6b2"
-
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -7452,18 +7442,22 @@ minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-minipass@^2.2.1, minipass@^2.3.4:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.5.tgz#cacebe492022497f656b0f0f51e2682a9ed2d848"
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+
+minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
   dependencies:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
-minizlib@^1.1.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
+minizlib@^1.2.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.9.0"
 
 mississippi@^3.0.0:
   version "3.0.0"
@@ -7491,12 +7485,18 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
+mkdirp@0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
+mkdirp@0.5.x, mkdirp@^0.5, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  dependencies:
+    minimist "^1.2.5"
+
 modularscale@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/modularscale/-/modularscale-1.0.2.tgz#4a8f13af32a5e5214fc6e2cfc529064abfd7d877"
@@ -9151,15 +9151,6 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-abc@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/react-abc/-/react-abc-0.4.0.tgz#1f603d37d34a7b74243a705967129afeea5eba4e"
-  dependencies:
-    abcjs "5.1.2"
-    prop-types "^15.6.1"
-    react "^16.4.0"
-    react-dom "^16.4.0"
-
 react-dev-utils@^4.2.1:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-4.2.3.tgz#5b42d9ea58d5e9e017a2f57a40a8af408a3a46fb"
@@ -9183,7 +9174,7 @@ react-dev-utils@^4.2.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@^16.4.0, react-dom@^16.8.6:
+react-dom@^16.8.6:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.6.tgz#71d6303f631e8b0097f56165ef608f051ff6e10f"
   dependencies:
@@ -9272,7 +9263,7 @@ react-typography@^0.16.13:
   version "0.16.19"
   resolved "https://registry.yarnpkg.com/react-typography/-/react-typography-0.16.19.tgz#5736b47961dcf6b9605b6fa38d41980db2588e28"
 
-react@^16.4.0, react@^16.8.6:
+react@^16.8.6:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
   dependencies:
@@ -9739,10 +9730,14 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -10629,16 +10624,16 @@ tar-stream@^1.1.2, tar-stream@^1.5.2:
     xtend "^4.0.0"
 
 tar@^4, tar@^4.4.8:
-  version "4.4.8"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
+  version "4.4.15"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.15.tgz#3caced4f39ebd46ddda4d6203d48493a919697f8"
   dependencies:
     chownr "^1.1.1"
     fs-minipass "^1.2.5"
-    minipass "^2.3.4"
-    minizlib "^1.1.1"
+    minipass "^2.8.6"
+    minizlib "^1.2.1"
     mkdirp "^0.5.0"
     safe-buffer "^5.1.2"
-    yallist "^3.0.2"
+    yallist "^3.0.3"
 
 temp-dir@^1.0.0:
   version "1.0.0"
@@ -11577,9 +11572,9 @@ yallist@^2.0.0, yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yallist@^3.0.0, yallist@^3.0.2:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
+yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
 
 yaml-loader@^0.5.0:
   version "0.5.0"