--- a/browser/themes/shared/tabbrowser/tab-audio-blocked.svg
+++ b/browser/themes/shared/tabbrowser/tab-audio-blocked.svg
@@ -1,9 +1,7 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg"
-     width="16" height="16" viewBox="0 0 16 16">
-  <path fill="context-fill" d="M8,0C3.6,0,0,3.6,0,8s3.6,8,8,8s8-3.6,8-8S12.4,0,8,0z M5.6,11.6l6-3.6l-6-3.6V11.6z M8,14.2
-  c-3.4,0-6.2-2.8-6.2-6.2S4.6,1.8,8,1.8s6.2,2.8,6.2,6.2S11.4,14.2,8,14.2z"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill">
+  <path d="M8 2a6 6 0 1 0 6 6 6.007 6.007 0 0 0-6-6zm0 11a5 5 0 1 1 5-5 5.006 5.006 0 0 1-5 5z"/>
+  <path d="M6.75 4.969A.5.5 0 0 0 6 5.4v5.2a.5.5 0 0 0 .75.433l4.5-2.6a.5.5 0 0 0 0-.866z"/>
 </svg>
-

--- a/browser/themes/shared/tabbrowser/tab-audio-muted.svg
+++ b/browser/themes/shared/tabbrowser/tab-audio-muted.svg
@@ -1,9 +1,9 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg"
-     width="16" height="16" viewBox="0 0 16 16">
-  <path fill="context-fill" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
-  c-3.4,0-6.2-2.8-6.2-6.2S4.6,1.8,8,1.8s6.2,2.8,6.2,6.2S11.4,14.2,8,14.2z"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill">
+  <path d="M13 8a2.813 2.813 0 0 0-.465-1.535l-.744.744A1.785 1.785 0 0 1 12 8a2.008 2.008 0 0 1-1.4 1.848.5.5 0 0 0 .343.939A3 3 0 0 0 13 8z"/>
+  <path d="M13.273 5.727A3.934 3.934 0 0 1 14 8a3.984 3.984 0 0 1-2.742 3.775.5.5 0 0 0 .316.949A4.985 4.985 0 0 0 15 8a4.93 4.93 0 0 0-1.012-2.988z"/>
+  <path d="M8.67 13.717a.2.2 0 0 0 .33-.152V10l-2.154 2.154z"/>
+  <path d="M14.707 1.293a1 1 0 0 0-1.414 0L9 5.586V2.544a.25.25 0 0 0-.413-.19L5.5 5H4.191A2.191 2.191 0 0 0 2 7.191v1.618a2.186 2.186 0 0 0 1.659 2.118l-2.366 2.366a1 1 0 1 0 1.414 1.414l12-12a1 1 0 0 0 0-1.414z"/>
 </svg>
-

--- a/browser/themes/shared/tabbrowser/tab-audio-playing.svg
+++ b/browser/themes/shared/tabbrowser/tab-audio-playing.svg
@@ -1,9 +1,8 @@
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg"
-     width="16" height="16" viewBox="0 0 16 16">
-  <path fill="context-fill" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
-  c-3.4,0-6.2-2.8-6.2-6.2S4.6,1.8,8,1.8s6.2,2.8,6.2,6.2S11.4,14.2,8,14.2z"/>
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill">
+  <path d="M8.587 2.354L5.5 5H4.191A2.191 2.191 0 0 0 2 7.191v1.618A2.191 2.191 0 0 0 4.191 11H5.5l3.17 2.717a.2.2 0 0 0 .33-.152V2.544a.25.25 0 0 0-.413-.19z"/>
+  <path d="M11.575 3.275a.5.5 0 0 0-.316.949 3.97 3.97 0 0 1 0 7.551.5.5 0 0 0 .316.949 4.971 4.971 0 0 0 0-9.449z"/>
+  <path d="M13 8a3 3 0 0 0-2.056-2.787.5.5 0 1 0-.343.939A2.008 2.008 0 0 1 12 8a2.008 2.008 0 0 1-1.4 1.848.5.5 0 0 0 .343.939A3 3 0 0 0 13 8z"/>
 </svg>
-